Teenage Mutant Ninja Turtles T-Machines Donatello in Speed Demon Diecast Vehicle Utilizing Kraang Power Cell technology, Shredder and the Foot Clan are on the loose, terrorizing the city with hi-tech battle-ready vehicles. Team Green answers back and the Turtles develop their own powerful line of T-Machines to save the streets of New York. Grab your Shell and Roll! Die Cast Chassis Fast rolling vehicles! Special Flashy colorized rims! 2014 Viacom International Inc. All Rights Reserved. TEENAGE MUTANT NINJA TURTLES and all related titles, logos and characters are trademarks of Viacom International Inc