The Kids Mini Go-Kart is the best alternative to quad bikes, as you can safely carry a passenger which is not recommended with Quads, this makes it great for younger kids that wish to take there friend on an adventure, in safety. Young Trina shown above is 6 years old but perfectly capable at using this great little kart in safety Build quality is excellent with attention to detail, having suspension all round, Disc brake, 4 point safety Harness, electric start and wireless remote engine stop. Seat can be adjusted by a simple flick of a leaver providing a distance from pedals to back rest of seat from 63cm to 81cm .