Wooden Marble Roller Machine Toy, Child-Safe Maple/Walnut Finish Color:Walnut and Natural Care instructions: machine wash cold

Care instructions: machine wash cold with like colors

this plate delivers a striking two-tone look while maintaining a standard 6" x 12" size that fits most vehicles

They're separate catalog designs — #519 from the initial wave and #575 from a later wave

Full-length sleeves provide warmth and unrestricted movement during play

squeezable resilience

Wooden Marble Roller Machine Toy, Child-Safe Maple/Walnut Finish Color:Walnut and Natural Care instructions: machine wash coldTry this Marble Machine and see the wonder of a simple machine at work. You line up the included marbles on the top track and tap the lever to get it started. The force of the the empty lever coming back up will release the next marble and on it goes until you run out of marbles. It is almost like Perpetual Energy! This is a wonderful educational tool to teach youngsters about Laws of Motion and Physics. Kids love to learn Hands On with these toys.