The Turtle Sub is a submarine built by Donatello. It appeared in the 2012 TV series episode Karai's Vendetta.
Appearance
It Looks like a sea turtle and is powered by Kinetic energy
History
The Turtles first used it to infiltrate an underwater Kraang Base Guarded by a Sea Monster. It was continually attacked by the monster, though at the end the monster fellow in love with the machine.
A toy.