The ZOOBMobile Cruiser Power Design Kit is one of the first motorized ZOOBMobile kit that lets young ones style, build and drive their one uniquely designed ZOOB vehicles. This kit comes with four bonus high performance tires and wheels for building both ZOOB vehicles and for trailers (i.e. 8 wheels and in total),55 ZOOB pieces and three owners manuals with instructions on constructing 13 models. This is the perfect give for any child who is 6 years and older!