Discover amazing adaptations of some of the world's most unique animals, including how tails help animals do ordinary to extraordinary things, from swatting away flies to holding onto branches

Artist Ann Toebbe leads a class in which young artists use paint, paper, glue and other materials to construct their house from memory.

Meet the turtles from The Grove's indoor turtle pond. Turtle races and a trail walk are included. Registration required.

Kids become dinosaur detectives with Paleontologist "Illinois Bones" to learn about the world of dinosaurs. Live animals show how dinosaurs are related to animals living today.

March is "Sing With Your Child Month" so Marsha's Music is hosting an Open House Week of Free Classes culminating in a Drum Circle Fam Jam. Classes are appropriate for babies, toddlers and preschoolers and are at Greenhouse Theater Center; Joan's Studio, 1438 E. 57th St., Chicago; and Nazareth Family Center, 1127 N. Oakley, Chicago. Free classes run from March 1-7. Call (773) 288-3815 or marshasmusic.com to register.

From superheroes to undersea adventures, princesses to dinosaurs, Storytown takes the audience on an interactive, fully improvised adventure. The cast uses audience suggestions and ideas to create a different story every week. Kids design the setting and help shape the story, and the actors, artists, and musicians bring it to life. 10:30 a.m. Saturdays on an open run. For more information, www.storytownimprov.com.

Concert for children.

Kids listen to classic Seuss stories, work on a fun craft, play silly games and enjoy a birthday snack. Come dressed as your favorite Dr. Seuss character and receive a special prize.

Interactive learning centers include a barn slide, apple orchard and chicken coop. Maggie, a life-sized fiberglass milking cow sponsored by Golden Oaks Farm in Wauconda, will be the focus of the new exhibit. Maggie is over five feet tall and features a working udder that recirculates the water that children "milk."

Join us at Aspen Drive Library for stories, music, crafts, and games as we celebrate the beloved author's birthday.