Build it! using the 690 K'NEX parts and pieces, plus MOTOR, to build an amazing coaster. Set includes coaster track, coaster car and panther themed graphics. Ride It! by download the FREE K'NEX Ride It! app to experience your coaster like never before in virtual reality, or digitally build the roller coaster of your dreams! Build it! and Ride it! with the K'NEX Thrill Rides Panther Attack Roller Coaster with the K'NEX Ride It! app. Experience K'NEX Thrill Rides in a whole new way with this panther themed coaster perfect for boys or girls ages 7 and older.