CREATIVITY FOR KIDS-Cardboard Race Cars. Build and customise two cars with working pull back wheels! This package contains two 3- 1/2x 2-0.6cm x 5.1cm cardboard cars, two sticker sheets, two pull-back mechanisms and axles, eight wheels, .60ml of craft glue, instructions and ideas. For ages 8 and up. Conforms to ASTM D 4236. Imported.