1. Learn about summer programs, meet summer staff, take backstage tours, create ice cream sundaes and take part in fun, creative theater games at this . Irondale Center, 85 S. Oxford St. Sat., 1 p.m. to 4 p.m. Free.
2. Vendors and customers are welcome at benefitting Brooklyn Tech's Parent Teacher Association. Dekalb Avenue between Fort Greene and S. Elliott Place. Sat. and Sun., 10 a.m. Free.
3. From , BBG will be buzzing with joyful melodies to celebrate the . Brooklyn Botanic Garden, 1000 Washington Ave. Sat., noon. Free.
4. Paul Keim, the Fort Greene Park Conservancy's awesome and intrepid Bat Tour leader, turns his observations to our daytime winged friends at this . Fort Greene Park, 123 Dekalb Ave. Sun., 7 a.m. Free.
5. The Brooklyn Contemporary Chorus presents an featuring several works by the master composer. Lafayette Avenue Presbyterian Church, 85 S. Oxford St. Sun., 4 p.m. $15.
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