Collect & Build the space themed roller coaster – the Amazin’ 8 Coaster! Motorized for exciting performance that sends the car up the chain lift and spiraling through the track! This set comes with 448 parts, primarily rods & connectors, to build a K’NEX thrill ride! And if you collect the Star Shooter Coaster and the SuperSonic Swirl (sold separately), you can have a working amusement park right in your home! Recommended for builders ages 7+. Requires 2 “AA” batteries, not included.