Wooden fish – Fish always has its eyes opened which symbolize that we should always be mindful on what we do and think
The alms bowl – The monastic people go for alms round which provides laypeople an opportunity to practice charity, and monastic people an opportunity to practice humbleness. We need to have humbleness to learn the great and extraordinary teachings of the Buddha.
The drum – In the old times, drums were used in the battle fields. It now symbolizes that we fight our enemies within.
The bell – It sends out the awakening calls. It reminds us that we should strive for the ultimate enlightenment.