-----Features: forward and backward, left turn and right turn, automatic demonstration, boom telescopic and lifting, crane table can be rotated(The platform needs to be rotated manually) -----USB charging, equipped with rechargeable battery, convenient and fast -----With lights and music,Realistic light and sound effects don't leave any doubt that there's heavy work going on here. -----Realistic details and functions encourage imaginative play. -----Made of plastic, environmental, non-toxic and durable,This car has lights and sounds.encourage play-based learning, resulting in the improvement of your child’s fine motor skills, hand-eye coordination, and engineering skills. -----This excavator truck toy will help spur your childs imagination and help increase EARLY LEARNING as well as Motor skills. -----Crane Truck Toy is one of the best engineer sets you can get for your little one. It’s a great gift for both girls and boys, ages 3 and up, and would be an ideal toy for early childhood development and pre-kindergarten. -----Note: The blue battery is an upgraded version, with a smaller battery and a larger capacity, from 700 mAh to 800 mAh! 2 types of batteries are shipped randomly!