Triple Mystery Cube
- Manufacturer: Possibly Brema
- Date: c. 1940s
- Size: .5 in cube, 28 in string
- Condition: good
A small brass cube on a string. Combines the effects of color change, obedient cube, and lie detector. A variation that includes small brass loops at the ends of the string. Hallmarked "S," though likely made by Brema or in association with Brema and Son. Good condition.