The Darda Fireball Climb Speedway Set features cars that move at super speeds with just a friction back and forth motion of the race car. Instructions are included to build three different race track set ups. With the precision engineered Mega Motor reaching speeds of 500-600 scale mph, can meneavar easily while turning loops. No batteries or electricity is needed to operate this toy. Measures 33" x 12" x 14" when set up. For ages 4 years and up.