The Sawgrass Nature Center in Coral Springs welcomes Nature Explorers from ages 3 to 5 to its new preschool program. On March 4, 11, 18 and 25 from 10 a.m. to 11 a.m kids will explore the natural environment and meet creatures who inhabit it. The cost per class is $5 for members and $8 for nonmembers. Call 954-752-WILD for more information. Early registration is required.