Remote control: The remote control bulldozer is fully functional and the truck can be operated without complicated assembly - just install the truck's 4 AA batteries (not included) and 2 AA batteries for the remote control (not included). Bulldozer size: 13.5 x 6.5 x 5.5 inches (34.3 x 16.5 x 14 cm) Durable, safe and realistic: RC bulldozers have features realistic that enhance fun and performance. The bulldozer is made of high quality plastic, 100% safe materials, tested by a third party laboratory, BPA free and non-toxic. 2.4 GHz system : For a more enjoyable experience, the RC bulldozer operates with 4-wheel drive and is equipped with a control range of 100 feet (32 meters) and prevents interference from other radio signals. The result is more responsive throttle and steering. Wonderful Gift Ideas: It's the perfect gift for kids' birthdays, holidays, and other gift-giving occasions.