This is the 364-piece set designed in Germany that lets young engineers build heart-pounding thrill rides that would intimidate even the biggest adrenaline junkies. The colorful plastic pieces snap together easily to form one of four different rides, including a hand-crank gyro spinner, a heart-stopping free fall tower, a hair-raising bungie ball, and a stomach-churning spinner. The set also bolsters a child’s motor skills as it reinforces STEM concepts. Includes two figures and step-by-step manual. Ages 8 and up. Box 18 1/4" L x 12 1/2" W x 3 1/4" D. (3 lbs.)