• $69.99
    Unit price per 
Shipping calculated at checkout.

Marble Run Race is based on great human engineering. They combines the beauty of science and machines, involving so many small gadgets. Build the set and crank the handle, watch marbles run crazy down the slopes and twisting turns.

TRACK TRAPDOORS: A handcrafted marble set with a whole back of trapdoor track. Build it with 233 building pieces and 10 marbles.
MANY GEAR GADGETS: Consists of a wheel lifter,a stair stepper, 4 straight rails, trapdoors and a block track. Intricate system of cogs, gears and wheels, full of crazy twists and turns