Pull Back Truck, 4-Pack Monster Toy Truck Reversible Friction Power Car Flip Shockproof Inertia Car Push Away Car for Toddlers and Kids The gameplay is simple: no batteries required, no remote control required, just push the vehicle down and move it slightly backwards to get powerful power, then quickly release them and the cars will drive in all directions with powerful inertial power. Compared with other pull-back cars on Amazon, our pull-back car has a relatively novel appearance design. When encountering an obstacle, the pull-back car will automatically flip over and drive to a space without obstacle objects. Durable Abs Material: High-density non-toxic plastic makes it a durable and safe entertainment toy device. The monster truck with anti-shock springs and anti-skid tires is a great educational and entertainment toy that can stimulate children's inertial interest. POWERFUL PERFORMANCE: Kids will be amazed by this inertia monster toy car's upright running and amazing stunt flips! It can easily break through the barriers of indoor and outdoor environments such as lawns, terraces, and living rooms. Push this coaster car forward and bring fun and excitement to your little one! Note: The data are all manual measurements, please allow 1 - 3cm error, due to the difference in light and display, there will be a certain color difference, depending on the physical object receivedDelivery quantity: (according to the main picture)"