The K'NEX Loopin' Lightning Coaster is a brand new motorized roller coaster set suitable for ages 9 and up. With 622 pieces made of plastic, this gear building set from 2017 features an amusement park theme with an electronic battery-powered design. The set includes everything needed to construct a 3.6 ft. tall roller coaster model, perfect for young engineers interested in building and creating their own thrilling amusement park rides.