ducks and drakes 
noun [mass noun]
A game of throwing flat stones so that they skim along the surface of water.I would be more concerned about how much longer they will have water to play ducks and drakes on.
Phrases
play ducks and drakes with
Origin
Late 16th century: from the movement of the stone over the water.
- mess about/around
- mess about/around with
- messa di voce
- message
- message bag
- message-bearer
- message board
- message box
- message boy
- message card
- message-carrier
- messageless
- message pad
- messager
- message rate
- messagerie
- Messageries Maritimes
- message stick
- message switching
- message traffic
- Messalian
- Messalianism
- Messalina, Valeria
- messaline
- Messallina