Mega Brands 3-in-1 Build 'n Go Walker (CYR09) 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 Your child 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