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Thames & Kosmos

Thames & Kosmos Mega Cyborg Hand STEM Experiment Kit | Build Your Own GIANT Hydraulic Amazing Gripping Capabilities Adjustable for Different Sizes Learn Pneumatic Systems

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Availability: 14 left in stock
Fulfilled by Agora Capital
Arrives Friday, Mar 13
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Style: Mega Cyborg Hand


Features

  • Build your own awesome, wearable mechanical hand that you operate with your own fingers.
  • No motors, no batteries just the power of air pressure, water, and your own hands!
  • Hydraulic pistons enable the mechanical fingers to open and close and grip objects with enough force to lift them. Every finger joint can be adjusted to different angles for precision movement.
  • Three configurations: right hand, left hand, and claw-like; adjustable to fit virtually any human hand.
  • Learn how pneumatic and hydraulic systems are used in industrial robots such as automobile components..2021 The Toy Association's STEAM Toy Of The Year Winner

Description

Explore hydraulics, pneumatics, and robotics with your very own GIANT hydraulic hand! Using over 200 plastic pieces and piston tubes that you fill with water, build an awesome mechanical hand that uses hydraulic power to simulate the movements of the human hand no motors or electricity required! Once assembled, your cyborg hand slips onto your own hand like a glove, with mechanical fingers that you operate with your own fingers and that can grip objects with enough force to lift them. Challenge yourself to pick up and hold a variety of items like bottles, pencils, small items anything with reach! The hand can be configured in three ways left hand, right hand, and claw-like, with the thumb in the center and can be adjusted to fit virtually all hand sizes. A 40-page, full-color manual guides model building and experimentation and provides engaging scientific information about how pneumatic and hydraulic systems are used in industrial robots to assist with a variety of tasks in our modern world.

Product Dimensions: 10 x 4.75 x 11 inches


Item Weight: 1.8 pounds


Item model number: 620501


Manufacturer recommended age: 7 years and up


Release date: July 24, 2020


Manufacturer: Thames & Kosmos


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Mar 13

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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Top Amazon Reviews

    • Challenging but Fun Build! Perfect with Adult Help
We bought the Mega Cyborg Hand for our 7 year old, and it has been such a fun and engaging project for our whole family. Building it together has been a great experience, though I would say a 7 year old definitely needs adult help and guidance for some of the steps. There are certain parts where an adult is required, but that actually made it a really enjoyable hands-on project to work on together. Our 10 year old also loves fiddling with it, which shows how well it spans multiple age ranges. The instructions are very clear and thoughtfully laid out, making the build feel much less intimidating. I especially loved that some pages in the manual include fun comic style stories and interesting facts about the physics behind how the mechanics work, it’s a great educational touch! We have absolutely loved this purchase for the value and are excited to finish building it and start using the hand. Highly recommend for families looking for a meaningful STEM project to do together. Age range: 7+ ... show more
Reviewed in the United States on January 11, 2026 by Mara
    • Awesome gift for a 8 year old child
My grandson who is 8 loved this for Christmas. He was so excited when he opened it up. Highly recommended. Looks like a fun time for him. It’s kinda technical so my son would have to help him with it. Expensive but it seems high quality.
Reviewed in the United States on January 8, 2026 by Brent L. Portschy
    • Challenging to put together - but fun.
This is a pretty neat hand. It took my husband a good two hours to put it together though and he is a very handy person. Definitely have to follow the instructions step-by-step if you want this to work. It was bought for my 6 year old and there's no way he would have been able to put it together. But he is proud of it and likes to play with it. ... show more
Reviewed in the United States on January 13, 2026 by Brandi M
    • Complicated, takes time and patience.
My grandsons liked it the first time, but broke it easily roughhousing. The 10 year old wanted another, but has lost patience assembling it. He is waiting for his busy older brother to help him, Good quality, and fit, though. Otherwise it works well and he found the first one very satisfying for play. ... show more
Reviewed in the United States on January 21, 2026 by Kindle Customer 259
    • a lot of work to put together but fun!
This was MUCH more involved than I had thought. Although we are not done putting it together, it is a fun project and totally worth the money if you have the time and patience to work on this. Kid is a little too young to get the full learning experience but I hope he is picking up some good info along the way! ... show more
Reviewed in the United States on January 9, 2026 by mnikiema
    • Fun, Educational, and So Cool to Build!
This kit is a fantastic combination of hands-on building and real learning. The instructions were clear and easy to follow, and putting the hand together was both challenging and fun. It was exciting to see how the hydraulic system works using water — no motors or batteries needed! Watching the fingers move and grip objects after assembling it was incredibly satisfying. ... show more
Reviewed in the United States on February 22, 2026 by Benda Crew
    • Delicate but cool
The media could not be loaded. It was pretty intense assembling this hand. Some of the crucial parts slip out of their attachment points making it tough to operate. Plan to spend the better part of the day building it (tool us 4 hours) and requires some help from adults. A part did break on one of the fingers. Wish the had a few extra parts. Otherwise, it’s a cool hand. Maybe build but not use to often. ... show more
Reviewed in the United States on December 20, 2025 by Kris
    • Perfect STEM Gift: Fun and Educational Mega Cyborg Hand Kit!
I bought the Thames & Kosmos Mega Cyborg Hand STEM Experiment Kit as a Christmas gift for my 9-year-old son, and it was a huge hit! From the moment he opened it, he was excited to dive into the building process. The instructions were clear and easy for him to follow, and he managed to assemble it mostly on his own, with just a little guidance. Watching him figure out how each piece fit together and seeing his pride in completing it was priceless. The kit provides a fantastic hands-on learning experience, teaching mechanical concepts and the basics of hydraulics in a fun and engaging way. Once assembled, the cyborg hand is incredibly cool. It fits comfortably, works smoothly, and my son has been having a blast testing its capabilities, like picking up objects or pretending he's a robot. The fact that it’s adjustable for different hand sizes means he’ll be able to use it for a long time. This STEM kit is not only entertaining but also educational, sparking curiosity about engineering and science. I highly recommend it for any kid who loves to build, tinker, and explore how things work. It's a gift that keeps on giving! ... show more
Reviewed in the United States on January 3, 2025 by L. Craft

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