Step into the nocturnal world of owls at the Owl Prowl at Powder Valley. Discover what owls eat and the unique adaptations that owls possess for life at night.

You'll also learn about the different species of owls that frequent Missouri and what makes them special. Explore the night forest as you search for these amazing creatures during an evening of owling. Please dress for the weather.

Free. For families with kids ages 7 and up. 5:30 to 7:30 p.m. At Powder Valley Conservation Nature Center.

View eagles as they soar over the Confluence of the Mississippi and Missouri Rivers at the Eagle Days/Winter Wonders event at the Columbia Bottom Conservation Area. Learn what brings these magnificent birds here and how they stay warm.

Scopes will be set up to zoom in on these phenomenal fliers and there will be a warming tent and short walks. 10 a.m. to 3 p.m. No reservations are needed. Free. 

More information: mdc.org 

The Eagle Days Festival is a unique opportunity for families to watch eagles fishing, riding ice floes, soaring overhead and roosting in nearby trees.

Look out 007 - the Mad Science spy academy is in session! From decoding messages to metal detectors and night vision, kids will have the opportunity to check out spy equipment and even create their own edible messages. They will use the Secret Code Breaker to communicate in code just like real spies. 

With the Undercover Observer, children step into the shoes of spies in action. What looks like an ordinary camera is actually a sneaky surveilance device that lets children spy on the side.

Discover the endless possibilities of found objects as you collaborate and create a one-of-a-kind sculpture that expresses your family's unique style.

The workshop at Laumeier Sculpture Park is for kids ages 4-12 with an adult.

1 to 3:30 p.m. For more information and to register online, go to laumeier.org

Come and explore the newest tennis and racquet sports facility in St. Charles, offering classes, clinics and leagues for all ages. The Open House at Vetta Racquet Sports West will be held Saturday. Jan. 9. You can check out the newly resurfaced courts, free food and refreshments, games, and free clinics for kids and adults.

Wonder Works is an exhibit area created especially for young children, and takes curious minds and busy bodies on a fun, learning adventure filled with hands-on, feet-on activities.