Get the Dune Racer Cars Set and take to the streets with the Dune Racer, Street Racer, and the Knuckle Copter! Build one of these speed hungry racers and have a race! KnuckleStrutz construction toys encourage building skills and expand the imagination. Details: 15" x 11" x 3" package size 74 piece set Set includes 4 wheels Plastic For ages 6 years and up