Kids will have a radical adventure with the Techno Gears Marble Mania Jumpster Xtreme. The Thrills begin with two hand cranks that lift the marbles to new heights on chain and spiral lifters. Once the thrill begins, the marbles experience fast paced twists and turns, blinking lights and extreme sounds which add to the radical fun. All Techno Gears Marble Mania sets are interchangeable. Collect them all to build more levels and challenges.