Marble Run Gear Transmission Assembly Model Building Kits Wooden 3D Puzzles Hexagon Size Information

Size Information

Material: ABS + Silicone

backlight will only keep lighting 15 seconds by press the SNOOZE button

The enclosed hood design enhances privacy and security

It removes contaminants such as micro-organisms or hazardous materials

Marble Run Gear Transmission Assembly Model Building Kits Wooden 3D Puzzles Hexagon Size InformationFeatures: . Lightweight wood, resistant to falling, durable, laser cut, smooth and burr free . Product card slot is accurate, splicing is smooth, explore the fun together, find the corresponding parts on the board, remove the parts along the laser cutting edge, do not use too much force, follow the instructions, splicing parts for model assembly . After assembling, it can be mechanically oscillated to drive the steel ball to roll through the