PULL BACK CARS- No batteries needed just a little push. Some Cars with pull back function some with inertial force. Your kids can play them by turn. EDUCATIONAL TOY- These small toys for kids can simulate the carrying of sand and other materials in construction sites which will help your kids to create their own construction and stimulate their imagination and hand-eye interaction. Manufacturered by WDDH. ADVANTAGES- Playing with these kinds of toys will provide your child with hours of imaginative play. It helps promote hand-eye coordination cognitive ability and motor skills. Your child will spend more hours staying active and outdoors than playing on video games. BEST GIFT- Toy construction vehicle suitable for group play and little competition between kids. These Car Toys are perfect as birthday gift or Christmas stocking present in the holiday season also perfect for parties celebrations fun party favors collection and home decoration. MATERIAL- made of premium quality ABS plastic.Different shapes of trucks help baby to recognize new thing and stimulate their visual development.