Related Clues:

• Sugar ____
• Soluble cube
• See 23 Across
• Raise to the third power
• Result of a peen to the bean
• Sum sort
• It's in your throat when you choke up
• Rubik invention
• ''One ___ or two?''
• Rubik's brainteaser
• Die, for one
• Mine tram bit
• Rubik's invention
• Coal unit, perhaps
• Rubik's puzzle