Saint Louis Science Center
Forest Park
We found nine indoor play places in and around St. Louis that work for babies to 6-year-olds: five indoor playgrounds and play cafés, three museums with toddler areas and one free spot. The cheapest paid pick is Wild Sprouts Play Place ($12 per child). Each card has ages, prices, sock rules and toddler hours from the place’s own site.
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Filter by kind of place, then sort by price. The highlighted boxes are what most parents ask first: ages, price and toddler time.
Forest Park
2 Eagle Center, Suite 2, O'Fallon, IL 62269
Reservations recommended.
Hours: Open play Mon–Thu 9 a.m.–noon; Tue–Thu 3:30–5:30 p.m.; Fri 8–10 a.m. and 10:30 a.m.–12:30 p.m.; Sat 9 a.m.–noon
1155 Bryan Road, O'Fallon, MO
Check their Facebook or Instagram before you go for same-day closures. Play-pass packs from $50.
St. Louis area
Walk-ins welcome; book ahead in bad weather. Toddler gymnastics mornings run on select days.
117 W. Argonne Drive, Kirkwood, MO 63122
Reserve a play session online.
Hours: Mon–Fri 8 a.m.–2 p.m.; weekends 8 a.m.–1:30 p.m.
Kirkwood
Downtown
Downtown
1650 Beale Street #138, Saint Charles, MO 63303 · St. Charles
Nothing of that kind here yet.
Before you go
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Good questions
For under-3s, look for a separate toddler area or a toddler-only time: Enchanted Playroom (The whole room is geared to ages 1–6).
Yes. Saint Louis Science Center.
Posted prices for little kids run from $12 per child, includes 2 adults at Wild Sprouts Play Place to From $26.75 at St. Louis Aquarium at Union Station. Many places let grown-ups in free and charge per child; each card shows the venue’s own price.
Usually, yes. Wild Sprouts Play Place: Socks required for everyone ($3 a pair on site). Blossom Play Cafe: Strictly socks only for kids and adults ($3 non-slip socks on site). Little's Loft Play Café: Socks required for everyone, adults too. Keep a spare pair in the diaper bag.
At some places, yes: Enchanted Playroom (under 12 months $8, or free with a paying sibling); Blossom Play Cafe (under 1 free with a paying sibling); The Magic House (under 1 free).
Each listing comes from the venue’s or organizer’s own page and links to it. We only list a date, time or price when that page shows it, and anything we can’t confirm stays off. These were last checked Oct 18, 2026, and we recheck them once a month, plus whenever a place changes its hours or prices. How we choose and check.
Littles Weekly
One short email every Friday morning with the best things to do with little ones in STL that weekend, indoor picks included.