Celebrate Fall at this free community festival that features a little bit of everything for all ages. Enjoy hayrides, balloon animals, pumpkin races, a pet costume contest, live bluegrass music and a family movie under the stars.

Close out the summer with a big splash! Before the pools close, kids can join their friends at this special Back-to-School Splash that includes carnival-themed games, giveaways and lots of swimming.

Cost is $3 per person; $2 for ages 2 and under. 

4 to 7:30 p.m. at the Wapelhorst Aquatic Facility in St. Charles.

More information and to register: stcharlesparks.com

Kids in fifth grade and up, along with their parents, can spend an afternoon learning about the heart and cardiovascular system in this hands-on experience with anatomy and physiology experts from Adventures in Medicine and Science from Washington University.

Catch 'em all and try to be the best there ever was during Pokemon Go Night at the Saint Louis Science Center. There will be amazing science demonstrations, Pokemon-themed food and drink specials and more.

The Science Center will be open late 'til 8 with lure modules set at their Pokestops all night. Show your team pride by battling for control of the gym located at the James S. McDonnell Planetarium. The Planetarium will be lighted in the team color of whoever controls it at the end of the night! Don't miss the demos from local augmented reality and virtual reality developers. 

Kids can learn all about their favorite prehistoric creatures at Digging for Dinosaurs, a free workshop for preschoolers age 3-5.

Presented by Mad Science of St. Louis, in this workshop, get an up-close look at a dinosaur tooth and participate in a mini dinosaur dig. Registration is required.

Digging for Dinosaurs will be held:

Sept. 6 at 10 a.m. at the St. Louis County Library, Grand Glaize Branch.

More information and registration: slcl.org
 

Preschoolers will enjoy playing instruments, singing and dancing at this musical storytime.