Tayo The Little Bus Friction Powered Car Blue Friction powered; no batteries are required. If you move the bus up and down, the eyes of Taiyo move. If you push the Tayo bus a little, friction gear helps it to roll well forward automatically Recommend for children who are at least 3 years old. Do not keep the small parts of the toy in mouth in case your child swallows it. Size(box) : 5.12 x 5.12 x 7.87 inches