Transform into "Brainiac" Donatello from the hit Teenage Mutant Ninja Turtles Mutant Mayhem movie with Donatello's Ninja Reveal Role Play Set! Tie on Donnie's purple-purple bandana, grab his powerful Ninja Reveal Bo stick and throwing star, and you'll be Donatello in no time! When the bad guys attack, unleash the power of Donnie's bo stick by pressing a button and flicking your wrist - the bo stick pops out and is ready to fight! When the battle is won, simply slide the stick back into the handle and you're ready for another fight!