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Four Brothers #ad - Size- 05" metal chromium steel ball. Engineered design- chromium metals engineered properties allow the advantage for a polished shiny long-lasting appearance.
Durability- gravitrax and gravity maze replacement balls are made out of chromium steel, known for its incredible resistance to corrosion and hardness. Chromium steel- material is made out of durable, hard gray metal.
Think Fun #ad - What you get – gravity maze is a combination logic game, marble run, 1 target piece, 9 towers, a game grid, and STEM toy that's one of the best gifts you can buy for boys and girls age 8 and up It contains 60 challenges from beginner to expert, and 3 marbles.
Comes with multi-level challenges - Gravity Maze comes with 60 beginner to expert challenges that become increasingly difficult as you play through them.
Trusted by families worldwide - with over 50 million sold, ThinkFun is the world's leading manufacturer of brain games and mind challenging puzzles.
Botabee #ad - Superior surface quality: our steel marble ball features an excellent surface quality with a fine finish surface that is smooth and lustrous for a long-lasting, sleek appearance & optimal performance.
Perfect size for a variety of games: our 1/2" marble works great with most marble runs and is compatible with a variety of games, including Gravity Maze, Spacerail, Brio Labyrinth Game & Brio Pinball.
Lusterous, 5 red, multi-colored 20 pack: steel marble set includes twenty 1/2" steel balls 5 green, 5 blue and 5 silver ideal for racing with marble runs, marble towers or colorful pinball balls. Durable chrome steel: our steel marble set is engineered for improved precision and consistent high quality for long-lasting play with a variety of games.
Marble Genius #ad - Compatible with marbulous marble run toys including our marble genius marble run starter Set 60 pc. Extreme Set 125 pc. Booster Set 20 pc. 9 accessory Sets. Free marble genius instruction app with purchase that includes 9 step-by-step guides, fun challenges, and regularly updated content iOS or Android.
Standard toy size marbles 5/8 inch or smaller work with this set 65 Glass Marbles Included. 8 solid bases including 3 large bases to ensure maximum stability large base designs vary slightly per included pieces image.
NATIONAL GEOGRAPHIC #ad - Glow in the dark marbles – the marble run kit includes 6 different colors of glow in the dark glass marbles that shine bright as they zig-zag down the marble run. It also includes marble run construction experiments.
With 5 sturdy bases, and 45 clear smooth-run track pieces, 15 exciting action pieces, our kit has countless imaginative configurations. Convenient storage – a storage bag and marble pouch make it easy to store your marble run construction pieces and glow in the dark marbles in one place.
Also includes UV light to quickly recharge the marbles. High-quality educational toys - National Geographic is proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. Sturdy tight-fit pieces – this construction kit is designed to fit together snuggly so your marble maze won’t fall apart while you play.
Ravensburger #ad - A bestselling construction activity for boys and girls 8 and up - over 6 million sold worldwide. Includes 122 pieces and 9 ready-to-go track instructions to start creating your own tracks. The ideal christmas gift for creative, curious kids who love to build.
Pixicade #ad - Educational stem game for home & classroom! make your teaching moments more fun and memorable using art, and playing video games! For example, creativity, engineering, story, you could have your child make a game based on their favorite book. Interactive learning is far more effective than any other teaching method! Education should be fun! Or create a math game based on what they are currently learning in math.
1 fun learning toy turns drawings into video games— kids and teens use colored markers and paper to turn hand-drawn concepts into instantly playable video games! This game does not fit into any existing toy category and the only limitation on Pixicade is your imagination! Best gift idea for kids and teens— if you are looking for a favorite gift for boys and girls ages 6, one sketch pad, and reward incentives! It includes 5 washable markers, 7, 8, then you have found the ultimate toy for birthday parties, and two interactive books that teach kids game design concepts, and provide a lot examples to keep kids drawing! Create 1, 10+, christmas, 9, 600 Games with 7 game types!.
Surprisingly simple and easy-to-use! simply draw your game on paper, build obstacles for them to overcome, and then play an animated version on your phone or tablet! Create your own character, snap a pic of it, and design the goal for how to win the game! This is a game you will feel good having your kids play for hours at a time!.
MindWare #ad - In no time at all you’ll have a skilled architect on your hands! No hassle: with no glue or connectors needed, our q-ba-maze Ultimate Stunt Set is ready to play right out of the box. Simply unpack and build! For adults: the q-ba-maze ultimate stunt set isn’t designed purely for children.
Forget the hassle of having to round up a laundry list of non-included tools and components. Educational and entertaining for older individuals as well, limber, our Q-Ba-Maze Ultimate Stunt Set challenges even the most honed mind to make complex engineering marvels.
With 156 cubes consisting of 3 different designs to be used as scaffolding, and much more, problem solving with basic physics, paths, ramps, this playset is perfect for any young builder looking to improve hand-eye coordination, and planning skills. Includes: package includes 156 cubes, 9 stunt pieces, 30 steel marbles, 8 marble catchers, and 1 design booklet. Great-for keeping your mind sharp, and most importantly, interested! .
1. Four Brothers
#adFour Brothers 1/2" Replacement Chromium Steel Balls for GraviTrax and Gravity Maze STEM Marble Run and Games 10 Pack
#adDurability- gravitrax and gravity maze replacement balls are made out of chromium steel, known for its incredible resistance to corrosion and hardness. Chromium steel- material is made out of durable, hard gray metal.
More information #ad
Size suited for brands requiring 05" metal balls including the popular GraviTrax and Gravity Maze marble runs. These balls are NOT MAGNETIC. Replacement balls- 10 pack of high quality chromium steel balls designed to replace lost balls for varying nostalgic games such as the popular GraviTrax and Gravity Maze marble runs.| Brand | Four Brothers #ad |
| Manufacturer | Four Brothers #ad |
| Part Number | 1042 |
More information #ad
2. Think Fun
#adThinkFun Gravity Maze Marble Run Brain Game and STEM Toy for Boys and Girls Age 8 and Up – Toy of the Year Award Winner
#adComes with multi-level challenges - Gravity Maze comes with 60 beginner to expert challenges that become increasingly difficult as you play through them.
More information #ad
Clear instructions – easy to learn with a clear, high quality instruction manual You can start playing and solving right away. Develops critical skills – playing your way through the challenges builds spatial reasoning and planning skills, and is partly an engineering and building toy that provides a great stealth learning experience for young players. Trusted by families worldwide - with over 50 million sold, ThinkFun is the world's leading manufacturer of brain games and mind challenging puzzles.
| Brand | Think Fun #ad |
| Manufacturer | ThinkFun #ad |
| Height | 10.5 Inches |
| Length | 9.38 Inches |
| Weight | 1.1 Pounds |
| Width | 3 Inches |
| Part Number | 44001006 |
| Model | 44001006 |
| Warranty | No Warranty |
More information #ad
3. Botabee
#adRolling & Games | Colored Marbles Compatible with Marble Runs & Games | 20 Pack, Multi-Colored 1/2" Chrome Steel Balls for GraviTrax Marble Run | High-Visibility Steel Marble Set Great for Racing
#adPerfect size for a variety of games: our 1/2" marble works great with most marble runs and is compatible with a variety of games, including Gravity Maze, Spacerail, Brio Labyrinth Game & Brio Pinball.
More information #ad
Compatible with gravitrax marble run: keep racing and rolling with these replacement marbles designed for use with the popular GraviTrax Marble Run, GraviTrax expansions sets and GraviTrax accessories. Lusterous, 5 red, multi-colored 20 pack: steel marble set includes twenty 1/2" steel balls 5 green, 5 blue and 5 silver ideal for racing with marble runs, marble towers or colorful pinball balls. Durable chrome steel: our steel marble set is engineered for improved precision and consistent high quality for long-lasting play with a variety of games.
| Brand | Botabee #ad |
| Manufacturer | Botabee #ad |
| Part Number | 21234 |
More information #ad
4. Marble Genius
#ad150 Complete Pieces + Free Instruction App & Full Color Instruction Manual, Marble Genius Marble Run Super Set
#adStandard toy size marbles 5/8 inch or smaller work with this set 65 Glass Marbles Included. 8 solid bases including 3 large bases to ensure maximum stability large base designs vary slightly per included pieces image.
More information #ad
85 complete see-through marble run pieces in 19 distinct styles allow you to see all the action we don't count pieces like everyone else - these are actual complete pieces and not parts that have to be added together! See comparison in Product Description. Solid plastic pieces that stick together and are easy for kids to play with.| Brand | Marble Genius #ad |
| Manufacturer | Global Family Brands LLC #ad |
| Height | 6.81 Inches |
| Length | 13.7 Inches |
| Weight | 4.5 Pounds |
| Width | 10.39 Inches |
| Part Number | unknown |
More information #ad
5. NATIONAL GEOGRAPHIC
#adEducational STEM Toy, an AMAZON EXCLUSIVE Science Kit Multicolor, NATIONAL GEOGRAPHIC Glowing Marble Run – 80 Piece Construction Set with 15 Glow in the Dark Glass Marbles & Mesh Storage Bag
#adWith 5 sturdy bases, and 45 clear smooth-run track pieces, 15 exciting action pieces, our kit has countless imaginative configurations. Convenient storage – a storage bag and marble pouch make it easy to store your marble run construction pieces and glow in the dark marbles in one place.
More information #ad
Makes a great stem gift for boys and girls! Great stem toy – the learning guide inside teaches about the physics of motion and aerodynamics. Also includes UV light to quickly recharge the marbles. High-quality educational toys - National Geographic is proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. Sturdy tight-fit pieces – this construction kit is designed to fit together snuggly so your marble maze won’t fall apart while you play.
| Brand | NATIONAL GEOGRAPHIC #ad |
| Manufacturer | JMW Sales, Inc. #ad |
| Height | 10 Inches |
| Length | 14.02 Inches |
| Weight | 0.97 Pounds |
| Width | 4.02 Inches |
| Part Number | NGMRGID80 |
| Model | NGMRGID80 |
| Warranty | National Geographic Toys is proud to provide only the highest quality products, each backed by a complete satisfaction guarantee |
More information #ad
6. Ravensburger
#adEndless Indoor Activity for Families, Ravensburger Gravitrax Starter Set Marble Run & STEM Toy For Kids Age 8 & Up
#adMore information #ad
Customize and experiment with tricks and stunts to keep the marbles rolling faster and further. Power the marbles with gravity-based elements in a race to the finish. Experience educational and science play with 24 problem-solving building exercises.| Brand | Ravensburger #ad |
| Manufacturer | Ravensburger #ad |
| Height | 4.5 Inches |
| Length | 13.5 Inches |
| Weight | 4.19 Pounds |
| Width | 13.5 Inches |
| Part Number | 27597 |
| Model | 27597 |
| Warranty | Lifetime Warranty Against Manufacturer'S Defects |
More information #ad
7. Pixicade
#ad12+, Pixicade Transform Creative Drawings to Animated Playable Kids Games On Your Mobile Device- Build 1600 Video Games- Gifts for 10 Year Old Girl, Boys- Award Winning STEM Toys for Ages 6
#ad1 fun learning toy turns drawings into video games— kids and teens use colored markers and paper to turn hand-drawn concepts into instantly playable video games! This game does not fit into any existing toy category and the only limitation on Pixicade is your imagination! Best gift idea for kids and teens— if you are looking for a favorite gift for boys and girls ages 6, one sketch pad, and reward incentives! It includes 5 washable markers, 7, 8, then you have found the ultimate toy for birthday parties, and two interactive books that teach kids game design concepts, and provide a lot examples to keep kids drawing! Create 1, 10+, christmas, 9, 600 Games with 7 game types!.
More information #ad
Surprisingly simple and easy-to-use! simply draw your game on paper, build obstacles for them to overcome, and then play an animated version on your phone or tablet! Create your own character, snap a pic of it, and design the goal for how to win the game! This is a game you will feel good having your kids play for hours at a time!.
| Brand | Pixicade #ad |
| Manufacturer | Pixicade #ad |
| Height | 11 Inches |
| Length | 8.25 Inches |
| Width | 0.15 Inches |
More information #ad
8. BC Precision
#adFour 4 Replacement Steel Balls for Labyrinth Game
#adBC Precision #ad - Package contains four replacement parts. 1/2" diameter. Material Type: Carbon Steel. Precision balls manufactured by BC Precision. Replacement balls for the popular Labyrinth game.More information #ad
| Brand | BC Precision #ad |
| Manufacturer | BC Precision #ad |
| Part Number | 4BCBRIO |
More information #ad
9. MindWare
#adQ-BA-MAZE 2.0: Ultimate Stunt Set
#adForget the hassle of having to round up a laundry list of non-included tools and components. Educational and entertaining for older individuals as well, limber, our Q-Ba-Maze Ultimate Stunt Set challenges even the most honed mind to make complex engineering marvels.
More information #ad
Toys that teach: q-ba-maze ultimate stunt set from mindware is a fantastic playset for teaching children to embrace their creativity and design engineering marvels. With 156 cubes consisting of 3 different designs to be used as scaffolding, and much more, problem solving with basic physics, paths, ramps, this playset is perfect for any young builder looking to improve hand-eye coordination, and planning skills. Includes: package includes 156 cubes, 9 stunt pieces, 30 steel marbles, 8 marble catchers, and 1 design booklet. Great-for keeping your mind sharp, and most importantly, interested! .
| Brand | MindWare #ad |
| Manufacturer | MindWare #ad |
| Height | 3 Inches |
| Length | 15 Inches |
| Weight | 1 Pounds |
| Width | 16 Inches |
| Part Number | 68482 |
| Model | 68482 |
| Warranty | No Warranty |
More information #ad
