3D Wooden Marble Run Puzzle – DIY Mechanical Gear Ball Track STEM Kit

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.

Features:
• DIY 3D Puzzle Kit – laser-cut wood pieces fit together with no glue needed
• Marble Run & Gear Drive – watch gears and tracks move the balls in an endless loop
• Dual Power Options – works with manual crank or electric motor (uses 3 x AA batteries, not included)
• STEM Learning & Fun – great for kids, teens, and adults who enjoy engineering and building
• Display Worthy – unique model for your desk, office, or hobby shelf

Condition: Brand new in box (outer packaging shows minor damage, see photos). All parts included.

Perfect for puzzle lovers, hobby builders, or anyone looking for a creative gift. Great choice for birthdays, holidays, or family STEM projects!

Product Information