The ZOOBMobile Fastback Kit includes 20 ZOOB pieces in various colours designed for building numerous vehicles, the kit includes 2 normal wheels and 2 wheels with pull-back motors. Watch as your assembled ZOOBMobile travels across the floor. There are instructions to create 5 different models too! Zoob kits are great for exploring, inventing, and discovering new creations and building techniques and creating designs that are unique. This kit can be used and combined with all other Zoob models.