"Pooh Stick" is a game of throwing sticks into a river, and allowing the different water currents to push them to the finishing line. "Paper, Scissors, Owl" is a version of the game Rock–paper–scissors.
"Pooh Stick" is a game where sticks are thrown into a river, with the flow guiding them towards the finish line.  "Paper, Scissors, Owl" is a variation of the classic game Rock-Paper-Scissors.