Transform ordinary cardboard into extraordinary creations with Elmer’s Build It Tools. Whether it’s a futuristic robot or a high-flying airplane—the possibilities are endless. This 20-count Expansion Set allows you to take your cardboard creations to the next level. These additional tools help you build bolder, more daring creations. Simply pair with the Starter Set and reuse any cardboard that you find around your house! The unique items let you add movement, create a 3D effect, go bigger, create doors, and more! Creates fun crafts for kids ages 6 and up!