18 months & up. These large, durable freewheeling vehicles with moving parts are great for your little one interested in construction or firefighting. This Super Wheels Combo set encourages dramatic play, gross motor functions, and fine motor skills. Encourage your child to push these vehicles around or make the sounds the vehicles create. This set includes a dump truck, school bus, firetruck, and cement mixer. Each measures approximately 9.5"L x 7"H. Set of 4.