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LittleHippo

LittleHippo Mella

  • Based on 19,773 reviews
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Availability: In Stock.
Fulfilled by Amazon
Arrives Saturday, Aug 8
Order within 3 hours and 16 minutes
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Color: Arctic Blue


Features

  • ☆ PATENTED, BEAUTIFUL DESIGN - A runaway crowdfunding success, MELLA has been featured in publications such as Mashable and Yanko Design for its numerous features and modern design. Who says children's products can't be beautiful too?
  • ☆ KEEP YOUR KID IN BED LONGER AND GET MORE SLEEP - MELLA uses colors and facial expressions to teach your kids when it's time for bed and time to wake up. Half an hour before it's time to wake up, MELLA will glow yellow, signaling it's almost time to start the day. When MELLA turns green, it's time to wake up!
  • ☆ ALL-IN-ONE SLEEP GADGET GROWS WITH YOUR CHILD - MELLA also features three sleep sound options and five night light colors to soothe your child to sleep. MELLA also features three alarm sounds and both an alarm and silent countdown for timed activities for older children.
  • ☆ DURABLE AND SAFE CONSTRUCTION - Comprised of child safe ABS and silicone, MELLA is FCC, CE, RoHS, CA65, REACH and CPSIA approved
  • ☆ 100% SATISFACTION GUARANTEE - Little Hippo stands behind its products. If you are not happy, contact our customer support team!

Description

Visit the Store Visit the Store Visit the Store We are a USA based company with a mission to create beautiful, modern children's products. Our goal is to design products that customers wouldn't necessarily think were children's products at first glance, yet still bring delight to children everywhere. Most importantly, we set out to build high quality products - while keeping them affordable. With LittleHippo products, we hope to make parenthood just a little bit easier. In 2016, our family saw a need for well-made children's electronic products. After 2 years in development, we launched our first idea on Kickstarter and raised 300% our funding goal! We create beautiful, high quality yet functional AND affordable children's products. We are a USA based company that prioritizes service and satisfaction. As parents ourselves, we are always looking for ways to make the job of parenting easier. We love hearing from fellow parents who have had success with our products! Can't keep your kid in bed? Let us help. MELLA is the #1 most backed kid's clock and all-in-one Ready to Rise children's sleep trainer designed to keep your kid in bed longer. MELLA is a OK to wake clock, alarm clock, sleep sounds machine, night light and nap timer rolled into one adorable package. Some kid clocks don't have enough features. Others have nonsensical design choices. MELLA strikes a perfect balance between features and usability. With an easy-to-use user interface, MELLA is your child's all-in-one sleep gadget. It is perfect for birthdays, holidays, baby showers, and more! MELLA is FCC, CE, RoHS, CA65, REACH, ATSM, and CPSIA approved. Sure, you can purchase a cheaper option, but has it been safety tested as much as ours? MELLA arrives in elegantly designed packaging and brings delight to both parents and children everywhere. Children's products can be beautiful too! Every night, MELLA goes to sleep (with an optional, automatic night light). Up to 30 min before the wake time, MELLA can optionally turn yellow. Teach your kid to play quietly until it's time to wake! At the wake up time, MELLA will greet your kid with a smile and glow green! "I have never reviewed an Amazon product in the years I’ve been using it. That’s how much I love this clock." - Heather Z. "Game changer and sleep saver!! I don't know how any parents get by without a clock like this." - John B. "Best. Money. I. Have. Ever. Spent. Hands down." - Cait Sayonara Early Morning Wakeups! Take the stress out of the crib to bed transition. The MELLA sleep training clock uses facial expressions and colors to teach your kid when it's time for bed and when it's time to wake up. It's easy peasy. Is the night light automatic or optional? Is the Yellow Play Light optional? At the sleep time, MELLA's eyes will close and you can set an AUTOMATIC night light to come on at the same time. Also, the Yellow Play Light is optional - it can be totally toggled OFF choose from time intervals ranging from 5-30 minutes. Is the brightness of the light ring and the screen display adjustable? Yes to both! For the light ring, there are THREE brightness settings to choose from. For the screen display, there are FIVE brightness settings to choose from. You can even dim the face ALL THE WAY to black! Can the sound machine and night light run all night? Yes to both! The sound machine and night light have various duration options including continuously/all night long. Even though the out of the box default duration is 30 minutes, the duration can be changed in the settings. Does MELLA run on battery? NO - MELLA must be plugged in to work. A pre-installed battery is solely meant for timekeeping/memory keeping in the event of moving the unit or a power outage. We sell replacement USB cables/adapters - search for Amazon product B0D77HNSYC. What are the product specs and what is included in the box? Included: MELLA, Type A A/C Power Adapter, 4ft USB Cable, CR2032 Battery Pre Installed, Instruction Manual Power: Type A A/C (Input: 100-240 V, Output: 5.0 V) Dimensions: 4.25" x 4.25" x 4.50" MELLA Kid's Sleep Trainer NESSI Kid's Sleep Trainer MELLA Spare USB & Adapter KELVIN Nursery Monitor WISPI 3-in-1 Humidifier Learn to Tell Time Clock Reward Chart Bundle

Display Type: LCD


Additional Features: Corded


Power Source: Must be plugged in with adapter


Indoor Outdoor Usage: Indoor


Batteries are Included: No


Mounting Type: Tabletop


Number of Batteries: 1 Lithium Metal batteries required.


Alarm Clock: Yes


Operation Mode: Electrical


Smart Home Compatibility: Not Smart Home Compatible


Watch Movement: Mechanical


Item Dimensions W x H: 4.25"W x 4.5"H


Item Weight: 8 Ounces


Size: Standard


Material Type: Plastic


Frame Material: Acrylonitrile Butadiene Styrene


Warranty Type: Limited


Color: Arctic Blue


Style Name: Contemporary


Room Type: Bedroom


Shape: Round


Theme: Modern


Dial Color: Black


Clock Form: Multi Display


Brand Name: LittleHippo


Number of Items: 1


Global Trade Identification Number: 00709870705106


Manufacturer: LittleHippo


Manufacturer Warranty Description: 1 year warranty.


UPC: 709870705106


Manufacturer Part Number: KHAC


Model Number: KHAC


Included Components: Batteries included


Unit Count: 1.0 Count


Item Type Name: LittleHippo Mella Ready to Rise Children's Sleep Trainer, Alarm Clock, Night Light Sleep Sounds Machine (Arctic Blue)


Best Sellers Rank: #9,138 in Home & Kitchen (See Top 100 in Home & Kitchen) #1 in Kids' Room Clocks


ASIN: B078Z4KFDR


Customer Reviews: 4.3 4.3 out of 5 stars (19,773) 4.3 out of 5 stars


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Aug 8

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Similar Products

Top Amazon Reviews

    • Great Product to Foster Independence! Great Product to Foster Independence!
Color: White, Teal
Review Image by J.S.
Review Image by J.S.
Review Image by J.S.
Short version: We are very happy with this purchase and would highly recommend this product. We use it as intended for bedtime and “quiet time” (independent play in bedroom instead of nap time) for our three year old. Mella boasts many useful features and is easy to set up. Once you train your child on Mella’s cues, this product could give you back hours of sleep. Want more info? Read on. :) ———- Update 2 (July 2025, after 4.5 yrs.): Mella is so well made that she’s still running perfectly! Just a side note. The Little Hippo company is very responsive to customers, which I’ve been so impressed by. I needed to call them about buying a different product of theirs, and their customer service was very cheerful and helpful. They listen to feedback and make alterations, if necessary. One of which is that the “playtime” yellow light that other reviews complain is able to be turned off easily now, or set to different lengths of time. They made that update before I bought our Mella. Also, the red light is actually red, not pink. Update (April 2024, after 3.5 years): Mella has continued working great! The product is still so helpful with our oldest child and now our middle child, who shares a room with our oldest. We have a child with high functioning autism, and Mella has been a lifesaver with that child’s anxiety regarding bedtime issues (when to stay in bed, wake up, get up, etc.). Mella is a staple in our home, and we’re going to buy another for our youngest child’s room now. I still highly recommend Mella! ——— Original Review: As expected, we needed to teach our child how to respond to Mella’s cues, but once he understood that and we reinforced our expectations through reward and consequence, our son stopped waking us up at ridiculously early hours in the morning. Training our pretty stubborn and resistant-to-change son to use Mella took around three weeks or so, but it has been so worth it. In addition to waking later, he has mostly stopped the middle of the night wakes, which is great! Mella is also such a nice clock to keep him in his room for his post-lunch quiet time. It works like a charm! In order for the transition to go smoothly, we started the Mella wake time close to the time he was already waking and then slowly and incrementally made that time later to our desired wake time. After that, we taught our son about the “play time” feature which automatically turns on for thirty minutes before the green light, if you select that feature. Our son went from waking us around 5:30 AM to now waking at 7:00 with Mella and then playing quietly and independently in his room until 7:30 AM. AAAND because we use the setting with a quiet light cue (turns green), sometimes our son is so busy that he doesn’t even notice and keeps playing, allowing us even more extra sleep (or extra time with baby). We recently were away from home and didn’t bring Mella, and boy, did we regret it! We didn’t realize how often our son wakes at night, but looks at Mella and goes back to sleep. It gives him security and fosters independence through the “okay to wake” cues. Without Mella, he runs to us in the dead of night desperately asking if it is morning time yet (can’t rely on daylight because of our latitude and gloomy climate). We will be buying an extra cord (since we affixed the provided cord to the wall for safety) so we can bring Mella with us on trips. You can buy an extra cord on LittleHippo’s website for around $7 after shipping. All of the features are very useful and set up is intuitive. You can choose from quite a few nightlight colors, and the set colors that Mella uses are yellow for play time and green for “okay to wake/leave room.” We personally use red at night because it is a more sleep-friendly color and we can say, “red means stay in bed.” Mella has both audible and visual (green light) alarms (you can select either), various sound machine-type white noise sounds, and nap time features, as well as a child lock. Our son would easily switch off the lock though, so we just put Mella out of reach. Our son loves that “Mella” (we call it by its product name) has a face and a personality of sorts. Mella is happy when awake, playful during playtime, and asleep during bedtime. It is an endearing little clock that our son loves. We plan on using it for years to come and changing the settings as our son’s needs change. Maybe he’ll eventually need an alarm to wake him up? It is important to note that although this clock comes with batteries, they are only present to save your settings in the case of the clock losing its power supply (power outage or unplugged). Because of all the features it boasts, Mella needs to be plugged in at all times to work. I found this was the case in the majority of “okay to wake” clocks. Because our son is very curious and will not leave electronics alone, we placed Mella on a floating shelf and covered the cord with a cord protector (see pics). We have no complaints about this clock, and are so thankful that it exists. Our only suggestion would be that LittleHippo consider making a wall mounted clock that can run on rechargeable batteries (charge via USB-type cable). It could attach to the wall via magnets so it’s easy to take down and recharge every couple/few days. Perhaps it could have a simpler design so that it doesn’t use as much energy to run? Thank you, LittleHippo, for such a quality product! You’ve made our lives so much easier. :) ... show more
Reviewed in the United States on May 28, 2021 Reviewed in the United States on May 28, 2021 by J.S.
    • Great for 3 year old
Color: Blush Pink
PERFECT for what we needed. Daughters was waking up at odd hours of the night and calling for us because she didn’t know if it was time to get up or not and even wandered downstairs a few times. The yellow light for okay to get up and play and green light for okay to come out of your room has been the perfect system for her. Easy enough to set, good quality, everything is great. I don’t mind that it doesn’t have an app, I expected that to be more of a drawback then it actually has been- we haven’t really been in a situation where we wanted to change the setting after putting her to bed. I do wish it could be used as a night light kind of thing if you pushed the top button, but it’s okay. Overall really great and solved the main problem perfectly. ... show more
Reviewed in the United States on March 12, 2026 by Justin Minchew
    • Good machine, GREAT for stubborn toddlers!
Color: Blush Pink
For my concise opinion scroll to the last paragraph. Otherwise, I have a very in depth review of how we used this machine. I purchased this light alarm clock for my daughter (who turned 2 in August) in November. A little background on my toddler. She is very stubborn and strong willed. Has big emotions and very clingy to me (mom). I was having issues with her throwing huge fits and wanting out of her crib early in the morning. She would scream nonstop “get me out” until I would come and get her. Needless to say, I was not about to let her get up that early or allow her to “scream me into submission.” First transition: sleep function set for desired “time to get out of crib.” The first morning we used this she woke up early and was yelling to get out. I told her over our camera microphone to look at “Mella” (we just kept the cute name of the clock). I told her, “Mella is YELLOW. That means ALMOST time to get out. When Mella is GREEN, mom will come get you.” The clock stays yellow for a total of 30 minutes, but she had to wait about 15 for it to turn green. I had to remind her, “mom will come when Mella is green” a few more times over the camera, but when it turned green I opened the door and exclaimed, “Mella is GREEN! It’s time to get out!” I acted very excited and kept reinforcing that GREEN means time to get out. That system worked SEAMLESSLY for the next few months. If she woke up before the clock turned green she would wait quietly until it turned. Once it turned green she would yell, “Mom, Mella’s green!” The clock stays green for one hour after turning on, which was great for when she slept in. Fast forward to January. We transitioned her to a new room and “big kid bed.” I was very nervous about her staying in bed/her room. Second transition: keeping her in her ROOM until the light turned green. Since she was already used to the “Mom will get me when the light turns green” method, the transition was a BREEZE. She would play happily in her room until the light turned green and then would knock on her door and tell me it was time for her to get out. So great! Then, about a week later she started getting out of bed at night, turning on her lamp and playing when she was supposed to be in bed. It was a struggle. Third transition: keeping her in bed for bedtime. We used the red light function as a night light and told her, “When Mella’s red, stay in bed.” I told her over and over at bed time and had her repeat it after me. After I left the room I watched her on our camera. She went to the end of the bed, but did not get out, looked at the light for a little bit and laid back down. I WAS SHOCKED! Especially after such nighttime battles before! Our most recent transition: we now use the clock for “rest time.” Since transitioning out of a crib, it was difficult to get her to take naps. She quickly figured out how easy it was to get out and play. I had to accept that maybe she wouldn’t nap anymore, but wanted her to have a “quiet time” for an hour in her room. She can nap or play, but she needs to stay in her room. So, I used the nap function. I set the light to blue and again tell her that, “When Mella’s green mom will come get you.” Sometimes she naps, sometimes she plays during that time. But the best part is that I get a break and she has a physical indicator of when mom will be back. Overall I have absolutely LOVED this method for my toddler. I was shocked that given her strong personality it would be a long struggle to get her to cooperate. But it honestly worked so great! So lastly, I want to talk about why I gave 4 stars instead of 5. I wish I could give this machine a 4.5. Here is why: - light functions: 5 - light brightness: 4 (A little too bright in my opinion, but doesn’t seem to be an issue for our child) - sleep mode: 5 - nap mode: 5 - child lock: 5 (my toddler did figure out how to unlock it, but we just put it on a high dresser so she can’t mess with it. I give it a 5 because it’s there and isn’t glaringly obvious to operate to a toddler) - set up: 5 (super easy, didn’t even read directions, very intuitive) - cuteness: 5 (my daughter loves the little face. Especially when it “blinks”!) - Sound alarm: N/A (We haven’t used this, yet) - Noise functions: 2, at best So this would be my only truly negative opinion on this machine. The noise is very quiet and not very pleasant sounding. It’s not a huge deal for us though because we just use a different white noise machine for our daughter. If you‘ve read all the way to this point, congrats! The last paragraph is a short summary of how I feel about the machine overall. Overall, this light clock method worked WONDERS for my stubborn, emotional, wonderful 2 year old daughter. Great for naps/playtime and bedtime. Lights are a little on the bright side (which may or not be good for your child) and the white noise/soothing sounds function is subpar. Would recommend to others! ... show more
Reviewed in the United States on January 22, 2020 by Singletrack Stache
    • Brilliant Design That Teaches Kids When It's Time to Wake Up
Color: White, Teal
The LittleHippo Mella has completely transformed our morning routine and solved our early-rising toddler challenges. This adorable sleep trainer uses color-coded visual cues that even very young children can understand - Mella's face glows yellow when it's time to stay in bed and turns green when it's okay to get up. The concept is simple but incredibly effective for establishing healthy sleep boundaries. What impressed me most is how quickly our 3-year-old learned to follow Mella's signals. Within just a few days, she understood that yellow means quiet time in her room and green means she can come find us. This has eliminated the 5:30 AM wake-up calls and given us back our early mornings while teaching her important self-regulation skills. The multiple functions make this an excellent value. Beyond the sleep training features, it serves as a gentle night light with adjustable brightness, a white noise machine with various sound options, and a regular alarm clock as children grow older. The sound quality is surprisingly good with options like rainfall, ocean waves, and gentle melodies that create a soothing sleep environment. The build quality is outstanding with child-friendly construction that withstands typical toddler handling. The silicone exterior is soft and safe, and all the buttons are intuitive enough for children to operate independently as they get older. The charging system is convenient and the battery life lasts several days between charges. The app connectivity allows parents to adjust settings remotely and customize the sleep schedule easily, which is helpful for maintaining consistency even when routines change. Highly recommend for parents struggling with early rising or bedtime boundaries - this delivers practical sleep solutions that genuinely work while teaching children valuable independence skills. ... show more
Reviewed in the United States on November 27, 2025 by Amy Biggs
    • It’s a good clock.
Color: Arctic Blue
I bought this clock for my 2.5 year old boy who kept getting out of bed before 5:30 am, and I wanted him to have something in his room to let him know when he could get out of his room so he wouldn’t wake up his younger brother. The setup was simple and very easy to work through. It is a lot easier to get my son to sleep as well. The clock face will go to sleep at bed time and wake up when it is time to wake up. There’s been a couple of times where my son would not want to go to bed, but I will look over at the clock and look back at him at your clock and sleeping so you need to go to sleep and when clock works except you can wake up. And it helps a lot with the visual representation. The readability is really simple and easy to see. My son really loves his new clock. ... show more
Reviewed in the United States on May 14, 2026 by Maggie Hood-Nugent
    • Hatch died, got this for 4yo. Works great!
Color: Arctic Blue
Easy to set. Easy to read. 4yo loves the smiley face. Yellow and green lights in the morning are very bright. We did have it by the bed but moved it to the desk because of that.
Reviewed in the United States on March 31, 2026 by RBJ
    • Very dim face
Color: White, Teal
This clock works great for my daughter with the changing colors to tell her when it's time to wake up. However the face and the time are extremely dim so it is hard to see the time or if the face is awake or sleeping unless you look at it from the perfect angle.
Reviewed in the United States on June 24, 2026 by Jennifer
    • Amazingly good! Using as an adult ….
Color: Blush Pink
Look I’m an adult and I thought this was cute, and didn’t think it was super useful and it took me by surprise. You can set the time yourself and there are different options for the alarm sound and there is a sound button to listen to ocean waves or white noise. Theres a setting to where the face lights up in the morning and it lights up when it’s around bed time, it’s super helpful to cue me to wake up or go to bed. The alarm itself is loud. I set it across my room in college and I would always wake up to it. Not sure how the snooze function works. I literally know it’s for kids …. Man this alarm clock is literally better than most I’ve had that are actually for adults ... show more
Reviewed in the United States on May 10, 2026 by Elisabeth

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