ROKR Marble Night City is based on great human engineering. They combine the beauty ofscience and machines
These 3D wooden puzzles are designed to think logically to build the set and crank the handle, watch marbles run crazy down the slopes and twisting turns
Break through material restrictions and incorporate high-transparent acrylic
Funnel-shaped track, the total length is extended to 2.5 meters
Shake the handle, the steel ball will reciprocate along the track, experience the creativity of precision machinery
Wooden Model Kits for Adults Kids
Hand Cranked Mechanical Gear 3D Wooden Puzzle Construction kits with 10 Steel Balls
