The only collectibles line for boys that lets you build, mix & match your own custom ‘bots, and battle your friends in a robot-brawl inside the Fightanium Arena. Unbox more bots, build your ultimate brawler and blast your way to becoming champion! Last bot standing gets the glory and the bragging rights!Ready2Robot Battle Packs provide everything you need for the ultimate battle! Armed with 2 mechbots and 4 Pilots Asst, you'll build and battle right out of the box. Over 10 layers to unbox and 20 total pieces, so you can customize your mechbots for battles in hundreds of ways!