Don't miss Big Truck Day at Kemp Auto Museum. All are welcome to this free, family friendly event, which includes live music, face painting for kids, refreshments, snow cones, barbecue and more.

Normally only seen from a distance, kids will have an opportunity to explore more than 40 trucks and off-road vehicles, including those from the military, new and antique fire trucks, tractors, monster trucks, hummers and even some surprise guests!

Help the city of Chesterfield celebrate its 25th year with a day full of fun for all ages. Start off the day with a splash at the Chesterfield Family Aquatic  Center, with safety demonstrations and a DJ. The fun continues on Venterans Place Drive with an Artists Village, inflatables face painting, magicians and other family friendly activities.

Live music is scheduled beginning at 5 p.m. from Sunny Sweeney, The Brian Bax Band and Diamond Rio.

Everyone loves an adventure at City Museum, and this Mother's Day moms will enjoy free admission. 11 a.m. to 5 p.m.

At City Museum, 701 North 15th Street, St. Louis. Click for map.

More information: www.citymuseum.org

Visit the Town and Country location of Coldwell Banker Gundaker for this special open house, featuring photos with Fredbird, hot dogs, balloon animals, face paintingand refreshments.

11 a.m. to 1 p.m. at Coldwell Banker Gundaker,1100 Town and Country Crossing in Town and Country. In the Target/Whole Foods Shopping Center.

I learned the hard way that I cannot tell my kids that we are going to The Magic House until we are literally pulling our mini van into the parking lot. As soon as the “ma” passes through my lips their eyes start to twitch and confetti explodes out of their ears.

If I give them any advance warning whatsoever, every waking minute leading up to the time we leave is spent like this:

Bring your whole family for a fun art night at Chesterfield Arts. Sample summer camps, and see unique at demonstrations from instructors.

Activities include painting, pottery wheel, sculpture and mixed media. Also featured is the annual Lego Design Challenge where children design a completely original LEGO scene without using a kit.

Ever wonder what dinosaurs ate for dinner? Science Center staff will lead an exploration of dinosaur dinner menus and how dino teeth adapted for specific meals. Participants will make their own cast of a dinosaur tooth! Fun for all ages.

1 to 2 p.m.. at the Saint Louis Science Center in the Dana Brown Fossil Prep Lab.