Hover-1 Black Hoverboard Buggy Attachment, Compatible With Most Hoverboards With 6.5” - 8.5” tires, Transform Your Hoverboard into Hover-Kart! - Walmart.com
Amazon.com: Hover-1 Kart Buggy Attachment | Compatible with Most 6.5" & 8" Electric Hoverboards, Hand-Operated Rear Wheel Control, Adjustable Frame & Straps, Easy Assembly & Install : Sports & Outdoors