National Geographic Magnetic Marble Run - 75-Piece STEM Building Set for Kids & Adults with Magnetic Track & Trick Pieces & Marbles for Building A Marble Maze, STEM Project
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Availability:
Only 5 left in stock, order soon!
Arrives
Sunday, Aug 9
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Style: 75-Piece Set
Features
- A KICKSTARTER SUPERSTAR - This patented marble racetrack is the most backed Kickstarter magnetic super puzzle of all time! Each track and trick has its own unique properties - just move them around to adjust or add exciting new pathways!
- DESIGN, BUILD, TEST, CREATE - This wildly creative super puzzle includes 42 tracks & connectors, 17 trick pieces & 15 marbles for infinite building combinations and endless amounts of creative fun!
- BUILD ANYWHERE MAGNETS STICK - This STEM marble maze for kids and adults can be built on any vertical magnetic surface like the fridge, lockers, whiteboards, workbenches & more!
- BUILDING YOUR MAZE IS EASY - The secure snap-fit connectors eliminate frustration to keep you creative, with detailed instructions highlighting how to use each piece, and a Learning Guide that teaches about physics and engineering!
- AWARD-WINNING PRODUCTS - Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience!
Brand Name: Blue Marble
Age Range Description: 10 years and up
Educational Objective: STEM
Sub Brand: National Geographic
Unit Count: 1.0 Count
Manufacturer Maximum Age (MONTHS): 1188.0
Manufacturer Minimum Age (MONTHS): 120
UPC: 810070621391
Global Trade Identification Number: 91
Manufacturer Part Number: NGMRMAG75
Model Number: NGMRMAG75
Set Name: 75-Piece
Item Type Name: 75-Piece Magnetic Marble Run
Manufacturer: JMW Sales, Inc.
Item Weight: 1.6 Pounds
Included Components: 75-Piece Magnetic Track & Trick Pieces & Marbles for Building A Marble Maze
Manufacturer Warranty Description: We're proud to make the highest quality products which are backed by exceptional service.
Size: One Size
Item Dimensions: 12 x 2.37 x 11 inches
Material Type: Magnets, Marble, Plastic
Theme: Marbel Mazes
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, Aug 9
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: 75-Piece Set
This magnetic marble run is brilliant. Instead of fragile plastic tubes that fall over, these track pieces attach magnetically to vertical surfaces like the fridge or a whiteboard or fridge. The trick pieces add a ton of problem-solving fun, keeping both kids and adults engaged for hours, building unique mazes. Even after being brushed off the frig so many times, nothing has broken. The assembly is easy to complex, depending on the age.
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Reviewed in the United States on June 5, 2026 by Jo Nell
Style: 75-Piece Set
I purchased this for my nephews, and it has been a massive hit! From the moment they opened the box, they were completely captivated by the endless possibilities for building and creating. The magnets are strong and sturdy, making it easy for little hands to assemble and disassemble the pieces without frustration. I love how this set encourages creativity and problem-solving while also teaching basic STEM concepts in such a fun and engaging way. My nephews have built everything from simple shapes to complex structures, and their excitement never fades! As a bonus, the included guidebook provides great inspiration for new designs, but the kids love to freestyle their own creations too. It’s a perfect blend of fun and education, and I feel great knowing it’s helping them develop important skills like spatial awareness and teamwork. The quality is fantastic—durable, safe, and well-made. It’s also compact enough to store easily, and the storage bag is a thoughtful addition for keeping everything organized. I would highly recommend this to any parent, teacher, or caregiver looking for a creative, hands-on activity for kids. Whether for playtime, homeschooling, or just some screen-free entertainment, this set is worth every penny!
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Reviewed in the United States on January 5, 2025 by Mark
Style: 75-Piece Set
Fun toy for the grandkids.
Reviewed in the United States on June 15, 2026 by Amazon Customer
Style: 75-Piece Set
I purchased this magnetic marble run set for my 8-year-old and it's been a big hit! The 75 pieces offer a good variety of tracks, trick pieces, and marbles, making it easy to create a wide range of marble maze designs. The magnetic tiles stick well to a magnetic board or the fridge, and the clear plastic track pieces let you see the marbles race through—which adds a fun visual element. What we loved: STEM Learning in Action: My kid quickly got into problem-solving mode, figuring out how to get the marbles from top to bottom without falling off or getting stuck. Great for encouraging creativity and engineering thinking. Strong Magnets: The magnets are surprisingly strong. Once you lock the pieces in place, they stay put, which is especially important for tall builds. Colorful and Engaging: The bright colors and the variety of track shapes kept things interesting, and it was fun for both kids and adults to join in. A few tips: Use on a Magnetic Surface: This set doesn't include a magnetic board, so make sure you have a surface like a whiteboard, fridge, or magnetic easel ready. Plan Your Build: Start with a basic design and gradually add complexity. Gravity is key here—make sure each track has a proper downward angle or the marble will stall. Combine Sets: If your kid really enjoys this, consider buying an expansion set. 75 pieces are enough for fun builds, but a larger set offers more creative options and stability for bigger designs. Why 4 stars and not 5: Limited Stability: While the magnets are strong, the plastic tracks can pop out if you bump the structure or if the design is too ambitious without proper support. No Base Included: A magnetic board or base plate would’ve been a helpful addition for easier setup and play. Overall, this is a solid and educational toy that sparks curiosity and creativity. A great gift for STEM-minded kids, especially if you already have a magnetic play surface at home.
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Reviewed in the United States on March 26, 2025 by Jenny
Style: 150-Piece Set
good quality toy. it could use stronger magnets so the pieces stay put, but over all it is good
Reviewed in the United States on April 20, 2026 by Bruce Fredette
Style: 75-Piece Set
I have this in my fourth-grade classroom as a indoor recess activity option. My students love it and will collaborate together to create different pathways. It's great for building problem-solving skills and promotes creativity, teamwork, and growth mindsets. I have a large magnetic white-board for building this marble run. The front of a magnetic surface on a refrigerator would work as well.
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Reviewed in the United States on June 15, 2026 by D.L
Style: 150-Piece Set
I can't explain to you how cool this is... but realize that if this is a gift for your kids you are probably going be the one doing the work and putting it together... but once you do have it assembled in the way that you want, (ther is a learning curve), you will be able to swap out different sections, change up the route. You can create multiple routes that the marble can go. So yes. Its a great gift, but it is also a responsibility for whatever adult the kid belongs to. Assembly is simple enough after you get going. And if you're going to put magnets on your fridge, it might as well be cool ones that move marbles up and down and around.
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Reviewed in the United States on April 2, 2026 by kris redick
Style: 150-Piece Set
Fantastic idea, but needs to go back to drawing board for some strengthening tips so you get your $$ worth. Very very fun activity. I have it on the side of the fridge and every child that comes in has to inspect and play with it. I've created a number of configurations with all 6 of my grand children now. Each one having a blast. The poor reviews pretty much nailed all the issues I also had with the set.. but it's certainly worth more than a 1 rating. I wouldn't go above a 3 due to the expense of it vs the quality. Value? well it's not really for little fingers and frankly the pieces break, twist, or come apart very easy. They don't really snap in as nicely as you would hope so that adds to the difficulty of getting a working structure. Plus the magnet wasn't really strong enough to keep the pieces in place after 1 or 2 marble runs. Our set was missing pieces, one piece missing was vital to the battery operated Shute. We worked around that missing piece. but that was a bummer. I would have to say we got a ton of fun but 70 dollars is a lot to pay for something that's pretty much ruined after a few months, (and not because of rough play either). It's really fragile so it should be considered for older kids.
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Reviewed in the United States on May 22, 2025 by Jeannie