Become a thrill engineer and build twisty, turny tabletop roller coasters. Start with a battery-powered Ferris wheel that lifts marbles to the top, then add tracks and towers to make a figure eight or loop-the-loop track. Switch it on and watch the marbles zoom round and round. Ready to build a rad ride of your own?

Includes:wood building set (8pcs), hardware set (52 pcs), battery pack with 2 AA batteries, 6 marbles, paper guide, ramp, 8 tracks, 8 springs, wheel cap, motorized Ferris wheel set (2 pcs), sticky foam rectangle, sheet of guardrail stickers, 5 flags, 5 flag holders, illustrated instruction booklet