sat. 29 Moonlight Bike Tour - Ride by Buffalo's landmarks by moonlight on a leisurely 90-minute ride with police escort to benefit the Niagara-Frontier Council of Hostelling International during Buffalo's fourth annual moonlight bike tour, 8 p.m. Saturday, Sept. 29, the Buffalo-Niagara Hostel, 667 Main St., Buffalo. Register by calling 408-2201. sun. 30 Earth Spirit Program-Medical Herbalism - 1-4 p.m. Sunday, Sept. 30, The Woodlands Environmental Education Center, Genesee Road, Sardinia; $. 941-6267. Morning Bird Walk - Search for migrating and resident birds along the trails. Bring binoculars if you have them, 9-10:30 a.m. Sunday, Sept. 30, Reinstein Woods Nature Preserve, 93 Honorine Drive, Depew. Advance registration required. 683-5959 Antique World Toy Show - Vintage, new and antique toys offered, 9 a.m.-4 p.m. Sunday, Sept. 30, Antique World, Premier Antique Center Gallery, 11145 Main St., Clarence. 759-0455 Sunday Family Walk - Walk through the woods as naturalists help you seek out the natural wonders that abound at Beaver Meadow, 2 p.m. Sunday, Sept. 30, Beaver Meadow Audubon Center, 1610 Welch Road, North Java; free. 1-800-377-1520, www. buffaloaudubon. com tues. 2 Magic School Bus - Join Ms. Frizzle's class with Miss Mary Lou for some science fun. Hear a story, play games and make a craft, for ages 4-8, 4 p.m. Tuesday, Oct. 2, Eggertsville-Snyder Branch Library, 4622 Main St., Snyder. Registration required by calling 839-0700.