IDEAL HOLIDAY GIFTS: Hoverboard seat attachment bring more fun to drivers, enjoying the happy time with family and friends. Enhance the parent's and children's interaction, improve kid's immunity and confidence. Leaving beautiful childhood memories.(Hoverboard is not included) COMFORTALBE HOVERBOARD KART & ERGONOMIC HAND BARS: Larger hoverboard seat brings comfortable driving experience, and you remain full of energy after cruising for 2 - 3 hrs. The soft, sweatproof and high-safety-level sponge hand bars fit palms better. EASY ASSEMBLE & DURABLE FRAME: Only 3 minutes for the novice to master hoverboard cart. The aerospace-grade material hoverboard seat can apply to the 6.5", 8" and 10" hoverboard perfectly through durable straps and screws adjustments. Max load 220lbs. SIMILAR TO THE FLEXIBILITY OF THE TRANSFORMERS: The adjustable hoverboard attachments length is 31-44 inches, which is suitable for different body heights. 360° flexible front wheel let you turn around freely. Shifting accelerate, turn, and brake smoothly via 2 hand bars.