For more information about Preservation Parks of Delaware County or to register for a program, call 740-524-8600, extension 3 or e-mail register@preservation parks.com.
• "Let's Go Mothing," 9:30 p.m., Saturday, June 22. Ages 8 and older. Try to spot night flying moths and other insects with fermented fruit bait and a special light. Bring a small flashlight if you can. Emily Traphagen Preserve, 5094 Seldom Seen Road.
• Toy Leaf Boats and Rafts, 6 to 8 p.m., Sunday, June 23. For older adults. Design and build a toy boat using natural materials. Blues Creek Preserve, 9627 Fontanelle Road.