The puzzle cube is one of Sandy's inventions. It appears in "House Sittin' for Sandy" and "The Krabby Patty That Ate Bikini Bottom." It is able to solve itself.
It looks similar to a Rubix Cube, but it has different shapes. The colors on the cube are blue, red, yellow, green, and white. It also never lies.
Role in the series
When the Krabby Patty was attacking Bikini Bottom in "The Krabby Patty That Ate Bikini Bottom," Sandy mentioned that with the puzzle cube, SpongeBob needed to make direct contact with the patty.
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