A Rubickian Prison Box is an enchanted object which exists in the 2017 Continuum.
Description
A Rubickian Prison Box is a cube which can be used to imprison powerful demons. It resembles an ordinary Rubik's Cube toy, and, if solved like a Rubik's Cube, will release the demon contained within it.
Behind the scenes
The Rubickian Prison Cube was first mentioned by Frank Angones on his Suspenders of Disbelief blog. According to Angones, if Webby were to find the Rubicksian Prison Cube and realize what it was, she would solve it anyway. [1]