3D Wooden Marble Run Puzzle Kit for Adults, Hand-Crank Model

This 3D wooden marble run puzzle kit is a hands-on mechanical model for adults and teens who enjoy DIY builds, hobby gifts and desk display pieces.

• Type: DIY 3D wooden mechanical model kit with marble track system
• Operation: Turn the hand crank to send marbles through ramps, gears and tracks; no batteries required
• Material: Laser-cut wood pieces with smooth edges
• Included: 4 metal balls for the run
• Recommended age: 14 years and up
• Display: Finished model works as a desk or shelf decoration

Delivery estimates vary by product and shipping destination. Tracking is provided when your order ships.