Croquet Implement
Puzzle 15 of Periodic Table Medium Pack
Question is: Croquet Implement
and the answer is: MALLET
Word Meaning:
MALLET — A type of hammer with a larger-than-usual head made of wood, rubber or similar non-iron material, used by woodworkers for driving a tool, such as a chisel. A kind of maul.
Definitions from Wiktionary.