This event is in the "Adults" group. Open Play Mahjong & Cards (In Person) 9:30am - 2:30pm Adults This event is in the "Adults" group. Aug 4 2025 Mon Open Play Mahjong & Cards (In Person) 9:30am - 2:30pm Sachem Public Library Library Branch: Sachem Public Library Room: Community Room A Age Group: Adults Program Type: Other Event Details: Drop in with your friends and play mahjong or cards. Please bring your own supplies. Registration is not required.