Wowsers! Just how does it stick to the track? How? This awesome John World Single Loop race track set, with diecast metal car included, is loads of fun and will keep them amused for ages with its super cool loop the loop. A great way to encourage independent play and develop motor skills - in more ways that one (Sorry. We couldnt resist). The John World Single Loop Set is suitable for children aged 3 years and over.