Pipe rails of roller coaster and main vertical structural beams with tip 55. Pipe cross braces with tip 2. Overpipe main rails with tip 55. Pipe-in roller coaster cars with tip 57. Pipe tip 3 bodies and arms on children; add tip 3 ball heads. Pipe tip 1 dot eyes, swirl hair, outline mouth and finger tips. Pipe tip 2 number on cars.