K’NEX DRAGON REVENGE COASTER BUILDING SET
Kids use 584 K’NEX pieces to build and design this roller coaster, then watch as the car races through turns and flips to escape the moving dragon. The coaster is powered by a newly designed motor. Kids use 584 K’NEX pieces to build and design this roller coaster, then watch as the car races through turns and flips to escape the moving dragon. The coaster is powered by a newly designed motor.