Like many individuals you may have bought this PowerPuff Girls Fun Pack containing Buttercup with no interest of the game or may not have the game at this point. Below in video format you can find instructions for building the variations for the vehicle in this fun pack. The instructions cover the three variations of Mega Blast Bot. The included video also shows off the builds, gameplay and unboxing. Hope this helps you create whatever cool version of the LEGO items you want.
LEGO Dimensions Hub