If you are between the ages of 3 and 5, bring your favorite adult for a thematic hour of a story, an activity and a naturalist-led walk for Prickly Porcupines at Mass Audubon: Broad Meadow Brook Conservation Center and Wildlife Sanctuary (414 Massasoit Rd., Worcester). Be prepared to go outside.
Cost: $7 Mass Audubon child members, $10 child non-members and $2 each additional child. For more information and to register, call 508-753-6087.