These kits allow children 3 and up to have a good creative and constructive time! The Racer kit comes with a smooth-sanded unfinished pine race car body, 4 natural wheels and axles. All you need is some glue, a hammer, paints, crayons, stickers or whatever else you might want to use for decoration...and a little inspiration. Simple assembly instructions included. Measures approximately 4" long by 1-3/4" tall assembled.