Tzolkin the Mayan CalendarNumber of Players: 2 4Playing Time: 90 MinutesRecommended Ages: 13+Tzolkin: The Mayan Calendar presents a new game mechanism: dynamic worker placement. Players representing different Mayan tribes place their workers on giant connected gears, and as the gears rotate they take the workers to different action spots. During a turn, players can either (a) place one or more workers on the lowest visible spot of the gears or (b) pick up one or more workers.