The Transmatter Cube was a device located on the Justice League Satellite. A similar device was located at JSA Headquarters on Earth-Two. Both teams utilized the Transmatter Cubes in order to visit each other's respective realities for their annual JLA/JSA team-up.
- The Transmatter cube is exclusive to Earth-One/Earth-Two continuity. To date, no such item exists in the current JLA Headquarters.
- Grant Morrison brings the cube back in The Green Lantern Vol 1 10 to be used in Prime Earth continuity.
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