Success: You have added 3D Wooden Marble Run Puzzle – DIY Mechanical Gear Ball Track STEM Kit to your shopping cart!
Build, play, and display with this 3D Wooden Marble Run Puzzle Kit! This DIY mechanical gear ball track is both a fun challenge and a fascinating STEM project. Assemble the precision-cut wooden pieces to create a working gear-driven marble run that sends balls cycling through twists and turns.<br><br>Features:<br> • DIY 3D Puzzle Kit – laser-cut wood pieces fit together with no glue needed<br> • Marble Run &amp; Gear Drive – watch gears and tracks move the balls in an endless loop<br> • Dual Power Options – works with manual crank or electric motor (uses 3 x AA batteries, not included)<br> • STEM Learning &amp; Fun – great for kids, teens, and adults who enjoy engineering and building<br> • Display Worthy – unique model for your desk, office, or hobby shelf<br><br>Condition: Brand new in box (outer packaging shows minor damage, see photos). All parts included.<br><br>Perfect for puzzle lovers, hobby builders, or anyone looking for a creative gift. Great choice for birthdays, holidays, or family STEM projects!
| Category | Toys & Collectibles > Building Toys > Building Kit Accessories |
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