Please read product description carefully before purchasing.
How it works
Assemble yourself.
Dimension: 5.7x5.7x4.7 inches (145x145x121 mm)
Weight: 2.2 lb (1kg)
High quality silent motor
Power supply : 2 AAA battery
Marbles size: 0.39 in (10 mm)
Wood type: Natural solid wood
Accessories included: Motor, Battery holder , marbles, cog & Screws, brass barriers (U shaped), switch and everything you need to build this machines. Not includes Glue and batteries.