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
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!
Specification: 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
Product Dimensions
12 x 2.37 x 11 inches
Item Weight
1.6 pounds
Item model number
NGMRMAG75
Manufacturer recommended age
10 years and up
Release date
November 25, 2022
Manufacturer
JMW Sales, Inc.
2200 reviews for 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
4.5out of 5
★★★★★
★★★★★
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★★★★★
David W. Spatz –
The media could not be loaded.
Fun learning experience for 3-6th graders (and a few adults). We set it up for our Stockade group ( Christian Boy Scouts). They learned piece by piece and in about 30 minutes created a marble run that was a complete loop. Expensive but great fun.
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★★★★★
stina –
Cadeau de noël pour mon fils. Il adore !
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★★★★★
Mark –
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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★★★★★
Jeannie –
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.
Helpful(0)Unhelpful(0)You have already voted this
★★★★★
Amazon Customer –
My son loves this! It let’s him create so many different configurations. They stick well the metal, come with the marbles. We all have fun playing with this. Keeps him entertained. It’s a great gift for kids who like building things.
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★★★★★
Virginia –
The media could not be loaded.
Lo compre para mi hijo de 10 años y le encanto. Funciona perfecto, nunca lo vi tan enganchado y entretenido con un juguete. La calidad me parecio buena, los imanes agarran bien, quizas hay que hacer algun ajuste despues de haber tirado la bola porque puede que haga pequeños movimientos sobre los imanes y no corre bien la proxima vez, pero es muy divertido
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★★★★★
Jenny –
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.
Helpful(0)Unhelpful(0)You have already voted this
★★★★★
Morris3 –
This marble run provides hours of fun and is easy to assemble on the fridge or any magnetic surface. The materials are high quality, and the magnets hold firmly in place during use. My 7- and 12-year-olds loved creating different marble tracks, which encouraged problem-solving and creativity. The set includes a variety of pieces for endless design possibilities. I recommend purchasing the larger set for even more building options.
Helpful(0)Unhelpful(0)You have already voted this
★★★★★
alicia –
The sons have lots of fun with this. Works great, no problems and hours of fun. Would recommend to anyone
Helpful(0)Unhelpful(0)You have already voted this
★★★★★
Charles P. Gennaro –
For my Grandson. 7 years old, but more like 10 years old. Loves Marble Runs. Although he does not put things in his mouth, I am a little concerned about the small parts. Something to be concerned about with younger, less mature kids.
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
Hybzone
David W. Spatz –
The media could not be loaded.
Fun learning experience for 3-6th graders (and a few adults). We set it up for our Stockade group ( Christian Boy Scouts). They learned piece by piece and in about 30 minutes created a marble run that was a complete loop. Expensive but great fun.
stina –
Cadeau de noël pour mon fils. Il adore !
Mark –
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!
Jeannie –
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.
Amazon Customer –
My son loves this! It let’s him create so many different configurations. They stick well the metal, come with the marbles. We all have fun playing with this. Keeps him entertained. It’s a great gift for kids who like building things.
Virginia –
The media could not be loaded.
Lo compre para mi hijo de 10 años y le encanto. Funciona perfecto, nunca lo vi tan enganchado y entretenido con un juguete. La calidad me parecio buena, los imanes agarran bien, quizas hay que hacer algun ajuste despues de haber tirado la bola porque puede que haga pequeños movimientos sobre los imanes y no corre bien la proxima vez, pero es muy divertido
Jenny –
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.
Morris3 –
This marble run provides hours of fun and is easy to assemble on the fridge or any magnetic surface. The materials are high quality, and the magnets hold firmly in place during use. My 7- and 12-year-olds loved creating different marble tracks, which encouraged problem-solving and creativity. The set includes a variety of pieces for endless design possibilities. I recommend purchasing the larger set for even more building options.
alicia –
The sons have lots of fun with this. Works great, no problems and hours of fun. Would recommend to anyone
Charles P. Gennaro –
For my Grandson. 7 years old, but more like 10 years old. Loves Marble Runs. Although he does not put things in his mouth, I am a little concerned about the small parts. Something to be concerned about with younger, less mature kids.