Alice thought she had never seen such a curious croquet-ground in her life; it was all ridges and furrows; the balls were live hedgehogs, the mallets live flamingoes, and the soldiers had to double themselves up and to stand on their hands and feet, to make the arches.
There are no more uses of "mallet" in the book.
Show samples from other sources
She split the logs with a mallet and wedge.
Robinson Crusoe made a boat by hollwoing out a cedar-tree trunk with nothing but a mallet and chisel.