Collect & Build Vertical Viper, #2 of 3 in the Amusement Park Series! Motorized for exciting performance that sends the car up the chain lift and speeding down the track! This set comes with over 300 parts, primarily rods & connectors, to build a K'NEX thrill ride that stands over 1.5 feet tall! And if you collect Corkscrew Coaster and the Ferris Wheel (sold separately), you can have a working amusement park right in your home! Recommended for builders ages 7+. Requires 2 "AA" batteries, not included.