The next free Bass Pro Shops kids events for 2021 haven't been announced yet, but their Family Summer Event page says “info coming soon!
In years past, these free events are held over four consecutive weekends at your local store on Thursday, Saturday, or Sunday during the scheduled hours. They'll be able to take part in all sort of free events, crafts, and games. Plus they'll be able to take home prizes and freebies!
The schedule of events is typically huge and literally changes each day. But it'll all be listed on their site!
So check out the full schedule of activities for all upcoming dates, then plan accordingly!