Gravity Alteration Device

The Gravity Alteration Device is used by and  in the  episode Sky Turtles. It is placed underground, between the and New York City.

Used to reserve gravity in New York City, it is first used to pull everything towards the ground while later, it is used to cause people to float upward.

Shredder,, and the s use anti-gravity boots to avoid being affected by the Gravity Alteration Device.