Poohsticks
/ˈpuːstɪks/noun
mass noun
- a game in which each player throws a stick over the upstream side of a bridge into a stream or river, the winner being the person whose stick emerges first from under the bridge桥上掷棒游戏（参加者在桥上向上游方向往河里掷棒, 谁掷的棒在桥下先浮出水面即为赢）。
词源
1920s: from Winnie-the-Pooh, the name of a toy bear in the children's books of A. A. Milne.