It's an out-of-this-world take on our Skill Builders! readiness sets! Kids learn about the mysteries of outer space with the help of age-appropriate activities and 3D pieces for enhanced hands-on learning. Learn the order of the planets, make your own rocket countdown, and more! Includes full-color write-and-wipe guide with worksheets.Details:Multicolor10.63" x 9.84" x 4" package size17 piecesFor ages 4 and up