おもしろい pic.twitter.com/0mON48Gt2H
— 中国最新情報(xChina) (@xChina4) November 9, 2020
This video from China shows kids playing a novel game. The two teams do shuttle runs back and form to a giant gameboard, where they take turns playing tic-tac-toe. Because it's both a physical and mental challenge, you could describe it as chessboxing for kids.
-via Super Punch