08000U Features: -Go walker.-Foldable walker that transforms from a walker to a pull-along cart in no time.-Transform it into a build-on plate to take anywhere.-Can take builds and blocks along with them in any of the 3 transformations.-Easy to store, with excellent storage space inside.-Including a removable building plate.-Encourages walking, exploring, and building play.-Create great builds and pull them along with your wagon.-12 Pieces.-Ideal for ages 9 months to 36 months. Assembly Instructions: -Assembly required.