17 December - Solution for the last clue and the next cryptic crossword clue

Kids lose them, helmet and kit, carelessly (4,5)
Solution - Milk teeth

Kids do lose their milk teeth.  And if you scramble the letters in 'helmet and kit" up, ie are careless with the letters, you can also come up with milk teeth.

Today’s cryptic crossword clue – solution tomorrow

Shortly to provide worker to take another's place (8)
Source of clue – NZ Herald

Hint – "Worker" in a cryptic clue is often represented by an insect (a 3-lettered one)