Dirty Gerund Poetry Series Edward "D. Ruff'' Bryant performs, 9 p.m. Ralph's Chadwick Square Diner, 148 Grove St., Worcester.
Meeting Following a short business meeting of the Northbridge Historical Society led by President John W. Walker Jr., honorary member and ranger at the John H. Chaffee Blackstone River Valley Heritage Corridor Chuck Arning will update his 1994 presentation of "Baseball in the Valley,'' 7 p.m. Whitinsville Social Library, 17 Church St., Whitinsville.
Program Discovering Nature as a Preschooler. Six-week series of nature classes designed for ages 4-5 unaccompanied by an adult. April 6-May 18. $100 Mass. Audubon child members, $125 child nonmembers. Broad Meadow Brook Conservation Center and Wildlife Sanctuary, 414 Massasoit Road, Worcester. (508) 753-6087.
Bicycle Ride 15-mile bicycle ride around Holden Reservoir with the Seven Hills Wheelmen. Helmets required. 6 p.m. Barney's Bicycle, 582 Park Ave., Worcester. (508) 831-0301.
Stampin' Up Event Lauren Steele brings all of her tools, stamps and tricks for making cards. 6-8 p.m. Free, registration required. For ages 17 and over. Uxbridge Free Public Library, 12 North Main St., Uxbridge. (508) 278-8624.
Craft Night Read "You Are Special Daniel Tiger,'' by Angela Santomero, and make a craft, 6 p.m. Ages 3-7. Leominster Public Library, 30 West St., Leominster. (978) 534-7522.
Tween Time Talk about books, enjoy a snack and make a craft, 6-7 p.m. Ages 10-12. Northboro Free Library, 34 Main St., Northboro. (508) 393-5025, ext. 4.
Lego Club 6-6:45 p.m. Richard Sugden Library, 8 Pleasant St., Spencer. (508) 885-7513.