noun
sport stacking; cup stacking; speed stacking
A competitive sport where participants stack and unstack plastic cups in specific sequences as quickly as possible.
スポーツスタッキングは、集中力と手先の器用さを競う競技です。
Sport stacking is a competition that tests concentration and manual dexterity.
彼はスポーツスタッキング
He won the world championship in sport stacking.