Breaking Games You've Got Crabs Card Game, 7+ Years

Form teams of two players each (max of 5 teams). Each team meets privately to come up with a non vocal signal to indicate when either teammate collects 4 of the same Crab Card. Each player will get a hand of 4 cards. One side plays at a time. On a side's turn, all players on that side can simultaneously swap any card from their hand with a card from the middle of the table (The Ocean).