The players are two royal builders competing to build their castle first. Each player in turn places a wall of his color. When a player manages to form a square with three or more sides of his color, he places a castle inside. The first player to place all five castles wins. From the box: Once upon a time there were 2 royal master-builders. They were competing for the favors of the beautiful queen. Which of them will be the first to finish a new castle for her majesty? Content(sic): 5 green towers (2 with roof (sic), 3 without roof), 5 yellow towers (2 with roof, 3 without roof), 15 green walls, 15 yellow walls For 2 players. From 4 years of age. 100% natural bamboo Re-implemented by: Castella³