Some species, like mud turtles, can actually retract their limbs and then clamp the shell closed ... make their way to the top of the sand and into the water quickly to avoid being eaten by ...

The shell acture repair process can be broadly divided into two parts ... of the cranial carapace edge is missing, the turtle may not be able to retract its head for safety).

The oldest turtle in the world is over 190 years old. To make “shells”, cut the egg cartons into individual cups. Then, paint them with as many shades as you like. Let the paint dry.