A fun add-on to any child's toy collection, push the friction Transparent Gear Truck toy forward slightly then it go and last for quite a long distance. No battery required, children can play the vehicles freely and safely without parents' supervision. Children can take the little trucks wherever they want to go, child's construction site, whether it's in the playroom or the sandbox. Product Dimension: 18cm x 9cm x 7cm: and weight 120Gm