Modern problems require modern solutions. For too long misbehaving dice have been confined to what? Primitive cages? The dice of today where not rolled in the 1100's. This is the distant future. The year 2020. Do not settle for less. Put your misbehaving dice into a Super MAX state of the art dice penitentiary.
This dice prison is large! Measuring about 4” wide, 4” deep and a couple inches tall. It has enough room for your full set of standard RPG dice should you find the whole lot misbehaving. 3D printed in colors shown using non toxic plastic. No painting required!

*No dice come with the dice prison.