Pull and remove the plastic from where the batteries are, that will activated the cement truck, press the buttons on the driver side of the cement truck the lights and sound will perform. This friction is installed on wheels that allows the cement truck to move ahead on its own, once you push or pull it just a little. Its a great gift toy for kids that loves playing with a cement truck.Construction Engineering truck toys adopts quality inflatable rubber Type wheels, anti-skid, shock resistant, strong grip, easily to cross the grass, sand, wet mud and marshy land. It can be taken to park, beach, camping and other places to play. Suitable for your kids to build a game inside house or outside, to gain more fun in leisure hours. These stylish car toys are simple to use and fun for playing time. They will brighten up not only your home but outside and make everyday a fun day!