# Things to do with kids in O'Fallon, MO

> 9 upcoming family events and 1 places and ongoing programs in O'Fallon, MO (St. Charles County, MO), in the St. Louis area. Listings whose address is in this town. Dates and times are Central Time. Today is Sat, Oct 24.

Source: Grassy Knees is a directory of real family events, places and programs for kids across major U.S. metro areas, where every listing is researched from the organizer’s own page and shows the date we last checked it. https://grassyknees.com covers 42 metro areas as of Oct 24, 2026, with more added regularly. About: https://grassyknees.com/about
Freshness: listings are re-checked on a daily research run (latest check 2026-10-24), and new events are added as organizers post them. Sell-outs, weather cancellations and time changes show up on the live page first: https://grassyknees.com/st-louis/towns/o-fallon-mo

## Events ahead

- [Family Fun: Halloween Craft Buffet](https://grassyknees.com/st-louis/activities/family-fun-halloween-craft-buffet--listing-b835294f23beac769c0e2a7f) — Sat, Oct 31 · 2:30 PM – 3:30 PM · Middendorf-Kredell Branch, St. Charles City-County Library, O'Fallon · checked Oct 14. Drop-in Halloween art and craft projects for the whole family at the Middendorf-Kredell Branch. A variety of projects is provided and costumes are welcome. Recommended for…
- [Family Fun: LEGO SPIKE](https://grassyknees.com/st-louis/activities/family-fun-lego-spike--listing-e1dc5eb4d46b5b56a8c6e14a) — Sat, Nov 14 · 1:00 PM – 3:00 PM · Middendorf-Kredell Branch, St. Charles City-County Library, O'Fallon · checked Oct 14. Families or groups build together with LEGO SPIKE, working on STEAM-based projects built around narrative problem-solving. Children must be accompanied by an adult; register only…
- [Holiday Safari with Animal Tales at Middendorf-Kredell Branch](https://grassyknees.com/st-louis/activities/holiday-safari-with-animal-tales-at-middendorf-kredell-branch--listing-1ad7282edf5e07b0c06f2106) — Sat, Nov 21 · 2:00 PM – 3:00 PM · Middendorf-Kredell Branch, St. Charles City-County Library, O'Fallon · checked Oct 20. Animal Tales throws a holiday party for library 'party animals' at the Middendorf-Kredell Branch in O'Fallon on Saturday, Nov. 21, from 2 to 3 p.m. Six live exotic animal…
- [Story Time with Santa! (Deer Run Branch)](https://grassyknees.com/st-louis/activities/story-time-with-santa-deer-run-branch--listing-e0f50142006d22b369823240) — Thu, Dec 3 · 6:30 PM – 7:30 PM · Deer Run Branch, St. Charles City-County Library, O'Fallon · checked Oct 16. Santa visits the library with stories for the festive season. After a series of stories, children talk to Santa about what they would like from the North Pole. Parents, bring…
- [American Girl Doll Holiday Party at Middendorf-Kredell Branch](https://grassyknees.com/st-louis/activities/american-girl-doll-holiday-party-at-middendorf-kredell-branch--listing-57dca8668b7535e43b75eb2c) — Sat, Dec 5 · 2:00 PM – 3:30 PM · Middendorf-Kredell Branch, St. Charles City-County Library, O'Fallon · All ages · checked Oct 20. Kids can bring a favorite doll to a holiday party at the Middendorf-Kredell Branch in O'Fallon on Saturday, Dec. 5, from 2 to 3:30 p.m. The afternoon includes games, crafts and…
- [Family STEM - Winter Wonderland](https://grassyknees.com/st-louis/activities/family-stem-winter-wonderland--listing-9d7835ecf8666a4697177cb0) — Wed, Dec 16 · 9:30 AM – 10:15 AM · Deer Run Branch, St. Charles City-County Library, O'Fallon · checked Oct 14. Winter-themed STEM activities for preschoolers and their families at the Deer Run Branch. For children preschool aged and older; not recommended for children younger than three…
- [Family Fun: "The Nightmare Before Christmas" Party](https://grassyknees.com/st-louis/activities/family-fun-the-nightmare-before-christmas-party--listing-763dd2ccf976c1d24956843d) — Sat, Dec 19 · 2:30 PM – 3:30 PM · Middendorf-Kredell Branch, St. Charles City-County Library, O'Fallon · checked Oct 14. A Christmas Town holiday party themed on The Nightmare Before Christmas, with crafts, games and activities; fandom attire welcome. Intended for families; children must be…
- [Let's Explore: World Celebrations at Middendorf-Kredell Branch](https://grassyknees.com/st-louis/activities/let-s-explore-world-celebrations-at-middendorf-kredell-branch--listing-3e3c5e9d344d86c5b7a3a1e2) — Mon, Dec 28 · 2:00 PM – 3:00 PM · Middendorf-Kredell Branch, St. Charles City-County Library, O'Fallon · checked Oct 20. During winter break, kids can learn how holidays are celebrated around the world at the Middendorf-Kredell Branch in O'Fallon on Monday, Dec. 28, from 2 to 3 p.m. The hour mixes…
- [Family Fun: Noon Year's Eve Party at WingHaven Branch](https://grassyknees.com/st-louis/activities/family-fun-noon-year-s-eve-party-at-winghaven-branch--listing-93be752cb3998186509ea2ad) — Thu, Dec 31 · 11:00 AM – 12:00 PM · WingHaven Branch, St. Charles City-County Library, O'Fallon · checked Oct 20. Young kids who will not make it to midnight can ring in 2027 early at the WingHaven Branch in O'Fallon on Thursday, Dec. 31, from 11 a.m. to noon. The party has crafts, games…

## Places and ongoing programs

- [Sky Zone O’Fallon (MO) Little Leapers (6 & under)](https://grassyknees.com/st-louis/activities/sky-zone-o-fallon-mo-little-leapers-6-and-under--listing-6498131f9e2f60847587feb4) — Fridays & Sundays 9–11 AM · Sky Zone Trampoline Park – O’Fallon, MO, O'Fallon · Up to 6 · From $12.99 · checked Oct 14. Little Leapers is Sky Zone’s exclusive jump time for young children and their parents at a special rate, with no big kids on the courts; the park also runs Little Leapers theme…

## Nearby

- [Things to do with kids in St. Charles County, MO](https://grassyknees.com/st-louis/counties/st-charles-county-mo) (Markdown: https://grassyknees.com/st-louis/counties/st-charles-county-mo.md)
- Other towns in St. Charles County, MO: [Wentzville, MO](https://grassyknees.com/st-louis/towns/wentzville-mo) (Markdown: https://grassyknees.com/st-louis/towns/wentzville-mo.md), [St Charles, MO](https://grassyknees.com/st-louis/towns/st-charles-mo) (Markdown: https://grassyknees.com/st-louis/towns/st-charles-mo.md), [St. Peters, MO](https://grassyknees.com/st-louis/towns/st-peters-mo) (Markdown: https://grassyknees.com/st-louis/towns/st-peters-mo.md), [Defiance, MO](https://grassyknees.com/st-louis/towns/defiance-mo) (Markdown: https://grassyknees.com/st-louis/towns/defiance-mo.md)
- [Things to do with kids in St. Louis](https://grassyknees.com/st-louis) (Markdown: https://grassyknees.com/st-louis.md)
- [This weekend in St. Louis](https://grassyknees.com/st-louis/this-weekend) (Markdown: https://grassyknees.com/st-louis/this-weekend.md)

Town pages are listed once a town has 3 current listings, county pages at 10.