1. Be a scientist for a day and create your own dichotomous key at Tifft Nature Preserve, 1200 Fuhrmann Blvd.
Learn all about plant and animal identification from 2 to 5 p.m. Saturday.
Cost: adult $5, children $3.
2. Make every day Earth Day, starting Saturday at the Buffalo Zoo.
Munch on some earth-friendly food, visit the earthy animals and get down to some homegrown music from 10 a.m. to 4 p.m. Save some energy for the scavenger hunt, too.
Free with zoo admission: adult $8.50, seniors and children ages 2 to 14, $5. Discover the animals at 300 Parkside Ave.
3. You've seen it on the track, now get close to the No. 21 Little Debbie Ford Fusion show car -- the sweetest in the NASCAR NEXTEL cup series.
This replica model will be parked from 1 to 6 p.m. at the Tops Markets: today at 5827 South Transit Road in Lockport, and Friday at 6510 South Park Ave. in Hamburg.
4. You've played Spin the Bottle, but now here's your chance to spin the "Wheel of Fortune."
From 2 to 6 p.m. Saturday and Sunday, visit the Wheelmobile at the Fairgrounds in Hamburg. Play Vanna, and audition for a spot on the popular broadcast television show!
Free at the Fairgrounds, 5600 McKinley Parkway.