Historical clue formulations

• Sculpting stuff — 2024-03-31
• Play-Doh, e.g. — 2013-12-09
• It can be silly — 2007-10-02
• It may fit the mold — 2002-12-01
• Caulking material — 1999-05-03
• Tiler's need — 1997-12-19
• Glazier's goop — 1997-02-27
• Kind of knife — 1996-04-21