Renegade Game Studios Robo Rally Master Builder Board Game Expansion Ages 12+ 2-6 Players 45-90 Minutes Playing TimeGenre: Family StrategyIntroducing a brand new way to build your Robo Rally Courses! The Master Builder Expansion contains new 6x6 grid boards which allow for crazy course shapes and endless opportunity. This expansion also adds Factory Floor Tokens which are individual grid spaces with various elements on them. These tokens can be placed onto the board for exciting course customisation! These expansion boards and tokens are fully compatible with all existing Robo Rally boards. Tinker away with the Master Builder Expansion!