Came across this info at The Happy Housewife‘s blog:

From June 5- July 11, every Tuesday, Thursday, Saturday, and Sunday there are free activities at Bass Pro Shops from noon to 6 pm. Activities include: pet safety, fishing basics, archery, shooting basics, animal identification, making s’mores, plants & insects, hiking and much more.
Looks like a lot of fun activities for the family. Check out the
Bass Pro website for more information, and be sure to call ahead to confirm what you will find in the store that you plan to visit. It does say the Chicago location does not have a shooting gallery, but it seems the other activities should be there.
You could enjoy:
- a free download of you on a Field and Stream cover
Looks like a great time for families and kids of all ages.