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Big Backyard Bash at the Steel Shop

  • When: Sunday, August 30, 2026, 10:00 am -  6:00 pm
    This repeat is an exception to the normal repeat pattern
  • Location: 49 Lawrence St., St. Charles, MO 63301
  • Cost: $10 and up depending on the activitiy

Big Backyard Bash 2026 brings families together for a full day of inflatable fun, foam parties, competitions, live music, food trucks, and unforgettable memories in St. Charles, Missouri.

This is what summer used to feel like — no screens, just one big yard, one big crowd, and the kind of day kids will bring up at Thanksgiving in 2041.

Headlining the main stage: Steve Ewing Band — the unmistakable voice behind The Urge, the St. Louis legends who soundtracked an entire generation of summers.

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