Free things to do this weekend in and around St. Louis

St. Louis's Top Picks for FREE family-friendly fun Friday, April 17, 2026 to Sunday, April 19, 2026.
(Scroll down for full, detailed list of free weekend activities.)
- Free Family Nights -The Magic House - The Magic House, 516 S Kirkwood Rd, St. Louis, MO 63122, Friday, April 17, 2026, 5-8 pm
- Songs and Stories - Babies & Toddlers - Maplewood Public Library, Maplewood, MO 63143, Friday, April 17, 2026, 10-10:30 am
- April Family Night Out - Goldfish Swim School - Warson Woods, Warson Woods, MO, Friday, April 17, 2026, 5-6:30 pm
- Free spring mini photo session with Shoott! - St. Louis - Shoott, St. Louis, Friday, April 18, 2026 to Sunday, April 19, 2026, See link for times
- 2026 Missouri Book Festival - Washington Public Library, Washington, MO, Saturday, April 18, 2026, 9am - 2pm
- Lego Club - Ferguson Municipal Public Library, Ferguson, MO, Saturday, April 18, 2026, 3-4 pm
- Kids Time: Egg Science - Jefferson County Library - Arnold Branch, Arnold, MO 63010, Saturday, April 18, 2026, 3 pm
- Chesterfield Earth Day - Central Park Chesterfield, Chesterfield, MO, Saturday, April 18, 2026, 9-11 am
- Earth Day at the Watershed - The Watershed Nature Center, Edwardsville, IL, Saturday, April 18, 2026, 9:30 am- 1 pm
- Spring Fling - Longmeadow Rescue Ranch, Union, MO 63084, Saturday, April 18, 2026, 11 am - 3 pm
- Family Sunday—Visions of Antiquity - Saint Louis Art Museum, St. Louis, MO, Sunday, April 19, 2026, 1 PM
- PLANETARIUM: Monthly Solar Sunday Telescope Viewing - James S. McDonnell Planetarium, St. Louis, MO, Sunday, April 19, 2026, 11 am- 3 pm
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