YM0477X This building blocks box allows the children to build a city according to their own imagination Great for learning or for entertainment Helps to inspire children’s potential Hands-on learning experience Well designed for children Equipped with wheels on the bottom Contents: Construction personnel， excavators， small carts and other building tools Age: 6-8 years old 73 piece set Material: Plastic Package Details Weight: 1344.99 g Size: 34.5*23.00*21.00 cm Package Includes * Urban Architecture Building Blocks Box with wheels