# Things to do with kids in Arnold, MO

> 5 upcoming family events and 0 places and ongoing programs in Arnold, MO (Jefferson 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/arnold-mo

## Events ahead

- [Littles @ the Library: Halloween Party](https://grassyknees.com/st-louis/activities/littles-the-library-halloween-party--listing-09efd9ac5db4a82d7c8616c0) — Sat, Oct 24 · 3:00 PM – 4:00 PM · Arnold Branch, Jefferson County Library · Ages 0–5 · sold out when last checked · checked Oct 14. Halloween party for little ones ages 0-5 with a story time, photo booth, library trick-or-treating and more. Sign up required.
- [Halloween Indoor Mini Golf](https://grassyknees.com/st-louis/activities/halloween-indoor-mini-golf--listing-b955927573e36c4ebdcb52a4) — Sat, Oct 31 · 9:30 AM – 2:30 PM · Arnold Branch, Jefferson County Library · All ages · Paid · checked Oct 14. Jefferson County Library Foundation fundraiser with event sponsors and the Arnold Tourism Commission: 18 holes of spooky mini golf through the stacks at the Arnold Branch, with…
- [Lego-Mania Club](https://grassyknees.com/st-louis/activities/lego-mania-club--listing-cf61481b63f31f7e0b9a7fc5) — Wed, Nov 4 · 4:30 PM – 5:15 PM · Arnold Branch, Jefferson County Library · Ages 3+ · checked Oct 14. Kids tackle three LEGO building challenges. For ages 3 and older; sign-up required.
- [Kids Time: Potato Science at JCL Arnold Branch](https://grassyknees.com/st-louis/activities/kids-time-potato-science-at-jcl-arnold-branch--listing-166bec554d4bc0df2ce5a726) — Tue, Nov 17 (+1 more date) · Arnold Branch, Jefferson County Library · Ages 5–12 · checked Oct 20. Kids ages 5 to 12 run several science experiments using ordinary potatoes at Jefferson County Library's Arnold Branch. The program is offered twice: Tuesday, Nov. 17, from 6 to 7…
- [Family Game Night (Arnold)](https://grassyknees.com/st-louis/activities/family-game-night-arnold--listing-8b7ee00b405c4e8bf75a912f) — Mon, Nov 23 · 5:00 PM – 7:00 PM · Arnold Branch, Jefferson County Library · All ages · checked Oct 14. Board games for all ages provided by the library; bring family and friends, plus snacks and non-alcoholic drinks if you like. Registration required for each person in your party.

## Recently ended

- [Kids Time: Spider Science](https://grassyknees.com/st-louis/activities/kids-time-spider-science--listing-8a75d62352489831d835a654) — ended Sat, Oct 17

## Nearby

- [Things to do with kids in Jefferson County, MO](https://grassyknees.com/st-louis/counties/jefferson-county-mo) (Markdown: https://grassyknees.com/st-louis/counties/jefferson-county-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.