Explore the wonderful world of butterflies and butterfly gardens in this interesting class, where you will learn more about what butterflies do for us and what we can do for them. Age 5–adult. $6.50 per person. 1–2:30 p.m. Tamarack Nature Center, 5287 Otter Lake Road, White Bear Township; 651.407.5350; parks.co.ramsey.mn.us