As soon as a player finishes inserting and manipulating tiles about the mat, their flip is around. If a player unsuccessfully builds on or manipulates team(s) and/or run(s) on the mat, the player must exchange the tiles in the first position and attract three tiles from the pool. Rummikub, best https://felixynvlo.ttblogs.com/2967263/the-definitive-guide-to-rummikub