Function: 1 Anti-skid tires are designed with anti-slip strips to make the grip more stable, stronger and less slippery. 2. Each wheel features a smooth, non-resisting dual axle configuration that allows your baby to slide easily. 3 From the structure to the shape to the front wheel to the rear wheel, it can be firmly supported in all directions to keep your baby safe. 4 Play childrens toy cars well with support for light and music playing. 5 Easy to install and remove, easy to operate, gift choice appropriate, show your babys control ability. Specifications: Item Type: Children for Hoverboard Material: Plastic+Steel Color: As picture show Weight: Approx. 7050.0g / 248.7oz Car Battery: 1 Lithium Battery 6Vx1 4000mAh (included) Remote Battery: Button Battery AG10 150mAh (included) Built-in Memory Card: 512MB, redownload your favorite songs Installation Instructions: First install the base and tighten the screws then install the handlebars and finally the wheels. They are all screwed on. Easy and convenient to install. You can also refer to the manual Package List: 2 x Car Frame 2 x Auxiliary Brackets 1 x Seat 2 x Tires 2 x 7 Type Wrench 1 x Wrench