Gyroor is a explorer and innovator in the new type kart industries. We aim to create a safe and fun way to exercise, let more people enjoy the fun of technology.•Easily transform hoverboard into a go-kart•Stability with double weight reduction settings and friction-resistant sweat-absorbing handlebars•Adjustable frame and multi-model pairing•All ages and heights - Adjustable lengths from 28.3 to 33.5 inch•Easy to install and give extra 2 sets of straps•Durable and comfortable seat and 360° rotating off-road wheelATTENTIONS: Children need to drive karting with an adult and prepare protective equipment(knee pads and helmets)Specifications•Fit for:6.5"/8"/10" Hoverboard•Color: Black•Package Size:20.5 x 17.5 x 9.5 inches•Weight: 15.8 lb (7.2kg)•Bearing Weight: 265 lb (120 kg)•Adjustable Frame Length:28.3in to 33.5in•Front Wheel Size: 6.3inNote:Hoverboard is not include, it is just a hoverboard seat attachment!