HP Robot Otto Expansion Emote Builder Kit HP-RO EMOTE BThe Otto Expansion Creator Kit contains all the electronic components required to build an Otto robot. Ideal kit for 3D printer owners, because plastic parts are not included. The kit allows the Otto robot to mirror human interactions and reactions and perform a range of emotions. Giving Otto a soul and turn him into an engaging learning companion. Otto robot expansion kit for use with the Starter Kit (sold separately) Allows self expression to give