Resistance to falling and crashing: Made of plastic the car is resistant to falling and crashing you don't have to worry about the baby breaking it. Inertial motion easy to operate just need gently push forward the wheel will drive along with the inertia motion. Manufacturered by NLGToy. Rubber tires: The tires are made of rubber with strong grip and longer use. Walk upright: Walk upright with the tail down and turn it up before walking (need to be on a flat surface). Four-wheel drive inertia power: With strong power the car can drive without battery. You push it forward it goes forward you push it backward it goes backward.