Heart Lava Lamp/Unreleased Variants

The Heart Lava Lamp item has only one variety that has actually been released in the game. However, there are an additional six varieties that can be found in the game files. These additional varieties cannot be obtained by any legitimate method.

Appearance
The variants of this item have the exact same shape and style as the original default, but the color of the glass and the colors of the "lava" hearts inside the lamp are different for each one.