"Good to know - This attachment lets you turn your hoverboard into a go-kart in a matter of minutes - The rubberised leavers let you control and steer the hoverboard (not included) from your seat - With the 6.5"" front tyre and double tubular construction you can take the kart off-road - The double suspension and racing seat let you ride around rough terrain in comfort - To accommodate riders of different heights, you can adjust the extendable metal frame ____ Please note: To be used under the direct supervision of an adult. This toy does not provide protection and protective equipment is recommended. Designed for domestic use - do not use in traffic. Always follow manufacturer guidelines, including minimum age requirements and maximum rider weight specifications."