mBot Add-on pack Six-legged Robot is a 3-in-1 expansion pack that allows you to reconfigure and program your mBot robot into 3 new objects for extended play. 5 different types of mechanical parts are combined to form a fast moving 6 legged "Beetle", a crawling, waving "Mantis" and a dashing "Crazy Frog," providing endless imagination and fun. Ages 10+ Expanded assortment available online. This item not carried in store.