Design the paths and then watch the marbles roll through flippers, around and down funnels, across castle ramparts, spiral ramps, and land in catch-all hoppers. Set includes both Build & Play Marble Run (KFV-815L) 68 re-arrangeable, durable plastic components & 12 marbles, and the Accessories Set (KFV-58L) has 34 components & 6 marbles. 120 pc. set. Ages 3 yrs. +.