The cold winds of winter have almost blown over, but how do we know when Spring has arrived? Kids ages 3-7 can learn about the signs of spring in song, art and stories. 

After learning the signs, they'll take a short hike to see if they can spot them. 

10 a.m. to 11 a.m. At Columbia Botton Conservation Area. Free.

More information and reservations: mdc.mo.gov

Birds are starting to make their way back from their winter homes, so it's time to celebrate birds by learning about their special traits. Kids can learn what makes a bird a bird, make some binoculars and go outside to spot birds in the wild.

For ages 3 to 6.

10 to 11 a.m. at Rockwoods Reservation in Wildwood. More information: mdc.mo.gov

If you're planning on a Spring Break stay-cation, check out free activities at the Missouri History Museum. 

Tuesdays through Fridays, the museum will have free storytelling, make-and-take workshops, family movies and special performances, including puppet shows and puppet workshops. Activities begin most days at 10:30 a.m. You can also explore the History Clubhouse during these days.

For a list of daily activities, visit mohistory.org/springbreak

Dying and decorating eggs is lot so of fun but can get really messy! Keep the mess out of your kitchen and let your kids decorate eggs with their friends at this Egg Decorating Workshop.

During this 45-minute session, each participant will decorate one dozen eggs to take home, then enjoy punch and cookies. The cost is $12 for residents and $15 for non-residents. For ages 5 to 11.

Join the Ballwin Parks & Rec Department for a free introductory course in tennis for kids. 

At Tennis Play Day, kids will learn basic tennis skills and take part in activities that introduce them to the rules of the game. Tennis Play Day is free for kids ages 3 and up and parents. Raquets will be limited so please bring one if you have one. 

The Wilson School presents Dr. Debra Harris as part of its ongoing speaker series for parents. Harris will provide insight into "Difficult Conversations with Your Child: Knowing When to Talk and What to Say in a Changing World."

If you've ever wanted to learn to throw clay on a pottery wheel this is your chance! Craft Alliance offers this Saturday morning class once a month for ages 8 and up in which participants can watch a pottery wheel demonstration then try to throw clay on a wheel themselves.

It's both fun and challenging to throw clay on a pottery wheel, and this class will teach you how to turn clay into a cylinder or bowl shape. You'll then glaze your creation and pick it up two weeks later after it's been fired in the kiln.