Pull Back Vehicles Construction Truck, Friction Power toy Trucks for 3+ Years Old Boys and Girls, Light & sound toy for kids. Pull Back and Go: Friction powered cement mixer toy, drum rotating function, music sync lights, Battery operated toy. Highest Quality ABS Plastic. Non-Toxic and Safe. This Toy have extra grip high quality tire can crawl easily Light sound and melodious horn sound, poem music, siren sound realistic engine start sound.