Big watermelon, small watermelon. Eating watermelon in the group building game is also called "big watermelon, small watermelon". Number of players: unlimited. The first round of test: everyone takes turns to say big watermelon and small watermelon, the second person who says big watermelon must say small watermelon, and so on. The second official edition: big watermelon and small watermelon. Those who say big watermelons must gesture to make small watermelons, and those who say small watermelons must gesture to make big hands and follow suit. If someone makes a mistake, they will be punished for dancing, singing and telling the truth. The third round of the King's Edition: the first one says small watermelon, the second one must say big watermelon, while the opposite hand movement is small watermelon, and the feet must be the same big watermelon, and so on.