# STEM-sters Drop-In STEM Activities — Maidu Library, Roseville > Event for families in the Sacramento–Roseville–Folsom area (CA). Times are Pacific Time. - When: Thu, Nov 19 (+1 more date) · 4:00 PM – 5:00 PM - Where: Maidu Library, 1530 Maidu Drive, Roseville, CA 95661 - Ages: Ages 5-10 - Price: Free - Organizer: Roseville Public Library with STEM-sters - Official page: https://www.roseville.ca.gov/prl/library/index.php - Last checked: Tue, Oct 27 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 Nov 2, 2026, with more added regularly. About: https://grassyknees.com/about Freshness: listings are re-checked on a daily research run (latest check 2026-11-01), 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/sacramento/activities/stem-sters-drop-in-stem-activities-maidu-library-roseville--listing-b7500f0a0266f1bbb7fa1226 ## About STEM-sters is a teen-led local organization that brings free science, technology, engineering and math activities to children, and once a month its volunteers set up at Roseville's Maidu Library. Each session has a different hands-on activity, aimed at kids ages 5 to 10, and families can drop in any time during the hour, 4 to 5 PM. The remaining dates this year are Thursday, November 19 and Thursday, December 10 (the December session moves to the second Thursday). Like other Roseville Public Library youth programs, it's free. ## Similar picks in Sacramento - [Dinosaur and Fossil Storytime — Roseville Downtown Library](https://grassyknees.com/sacramento/activities/dinosaur-and-fossil-storytime-roseville-downtown-library--listing-770a28e3248020f789e95336) — Fri, Nov 20 (+1 more date) · 9:30 AM · Downtown Library (Roseville Public Library) · Free · checked Oct 27. As part of Dinovember, Roseville's Downtown Library holds special dinosaur-themed storytimes followed by a close look at real fossils on loan from the Sierra College Natural… - [STEM on Saturday — Roseville Downtown Library](https://grassyknees.com/sacramento/activities/stem-on-saturday-roseville-downtown-library--listing-9f65f92ca48a98c2f6ba3fa3) — Sat, Nov 21 (+1 more date) · 11:00 AM – 12:00 PM · Downtown Library (Roseville Public Library) · Up to 12 · Free · checked Oct 27. 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