Transform into Donatello "Brainiac" from the hit movie Teenage Mutant Ninja Turtles Mutant Mayhem with Donatello's Ninja Reveal role play set! Put on Donnie's purple bandana, grab his mighty Bo Reveal Ninja staff and throwing star, and in an instant you become Donatello! When the baddies attack, unleash the power of Donnie's staff by pressing the button and flicking your wrist—the staff unfolds and is ready for battle! Once the battle is won, simply put the stick back in the handle and you're ready for the next fight!