Build it! and Ride it! with the K'NEX Thrill Rides Vulture's Vengeance Roller Coaster with the K'NEX Ride It! app. Experience K'NEX Thrill Rides in a whole new way with this robot vulture themed coaster perfect for boys or girls ages 9 and older. Build the Vulture's Vengeance toy roller coaster with the included 690 K'NEX parts and pieces including coaster track, roller coaster car, motor and themed graphics! The rods and connectors click together to create a 3D configuration and a coaster that stands over 2 feet tall. The Vulture's Vengeance Roller Coaster has a battery-powered motor moves the coaster to the top of the hill, before it zooms through loops and curves. The coaster requires two AA batteries, which are not included.