1. EASY INSTALLATION Easily attaches to your balance bike with a simple bracket, then mount the seat and handle to the bracket. Enjoy your hover kart ride with comfort and control. Installation instructions and tools included, easy installation in 5 minutes or less. 2. UNIVERSALLY COMPATIBLE This accessory easily fits most 6.5, 8 and 10 inch wheels, adding an exciting dimension to your rides. Enjoy exciting speeds and unmatched dom while traveling with your family and friends. 3. IMPROVED RIDE CONTROL Revolutionize the way you ride your hoverboard with our seat attachment. Enjoy a smooth and comfortable ride while driving through the city, while improving your balance and coordination skills. Perfect for and adults, indoors or outdoors, on any terrain. 4. COMFORTABLE RIDING EXPERIENCE Personalize your hoverboard ride by adjusting the frame length to suit your size. Enjoy maximum comfort with a contoured seat and handles designed to conform to the natural contours of your body. The nonslip and wearresistant design makes it perfect for riders of all ages, from children to adults.