Your favorite youngster will love to build this do-it-yourself race car! With 159 pieces with smooth-rolling tires, this project helps kids improve their motor skills and hand-eye coordination. They can build this car or use their imagination to create something else. Includes wrench, screwdriver and instructions. Metal and plastic. Finished car is approx. 9 2/3"L x 4 3/4"W x 3 1/2"H. Ages 5+.