Klutz Ready To Build Clothespin Cars Makes 3 Cool Cars+Cut & Fold Paper City~NEW. Recommended for ages 4+. Kit comes with 3 clothespins, hubcaps, axles stickers, wheels, and punch-out car tops. There are 7 interchangeable car designs & a whole cardboard city you can make as well! Great activity to keep your kids busy. Brand new book & craft items. Ships with USPS Ground Advantage.