1.Material: Made of heavy-duty alloy material and well welded, the frame can withstand strong load bearing. The anti-slip hoverboards stands use high-quality rubber feet to ensure that under any circumstances, which can maintain a stable grip. 2.Design: Equipped with two soft foam-covered handlebars, the go-kart attachment is easy for to learn and steer. The 360 degrees front drifting wheel helps riders ly change directions, while rear wheel drive allows quick turns and reverse driving. 3.Safe & Comfortable: Using the seat attachment to transform your hoverboards into a go-kart. Kids can comfortably sit on the hoverboards instead of standing on it, which is more stable and r. (Hoverboards not included) 4.Adjustable: By rotating a knob, the hoverboards seat attachment can be adjusted from 27inch to 39inch length, suitable for any ages and any heights. The sturdy structure allows riders to drive on various terrains like pavements, road and grass.