Related Clues:

• They're often wasted
• It may be in blocks
• Luge surface
• Diamonds, to yeggs
• Party supply
• Rink stuff
• Stuff in trays
• Shelf component, perhaps
• Decorate, as a 54-Down
• Substance for sculptures
• Make sure of
• Wintry covering
• Rocks from a bucket
• Sculpture material, sometimes
• It'll melt in your mouth