4 Turtles in 1 Shell. Create some Mutant Mayhem in this Rubies Halloween Infant's TMNT Costume. Your little one can be part of this new generation of heroes. They will rise from the sewers of NYC to save the day and keep the city safe! Baby turtles that encountered a mystery "ooze" spring to life to conquer the mean streets. The Infant's TMNT Costume includes jumper, hat, 4 headscarves, 4 buckles, and booties. Viacom/Nickelodeon officially licensed costume.