Designer Marc Paquien Publisher Matagot Players 2-5 Playing Time 45 mins Suggested Age 10 and up Expansion For Treasure Island Additional Info 290504/treasure-island-pirates-mark http://boardgamegeek.com/boardgame/290504/treasure-island-pirates-mark/forums/63 The pirates got their hands on Silver’s secret map, on which appears the famous « pirates mark », engraved with the invisible ink.In this expansion Long John Silver draws his secret sign on the game board with a dry erase UV-marker. The players looking for the treasure can, in their turn, use a special UV-lamp to search for the sign in order to have extra information on where the secret may be hidden.Contents:1 chiffon Jolly Roger4 markers for the pirates1 invisible pen with a UV lamp for Silver1 pirates mark tile