If your kids like building things, they'll love the Build and Grow Workshop at Lowe's where they can build a wooden project. They'll also get several other freebies just for participating.
Kids Workshops at the Home Depot are designed for kids aged 5 to 12 and are offered on the first Saturday of each month from 9 a.m. to Noon. In these workshops, kids will create one of a variety of projects, such as toolboxes, fire trucks, and birdhouses.
The Ogle Center at Indiana University Southeast in New Albany, Indiana, hosts a number of free shows for children throughout the year. Every year brings new shows which are appropriate for children of all ages.
Henry's Ark Petting Zoo
There are tons of free events for children of all ages going on every day at Louisville Free Public Library locations all over the city. You can view upcoming events by clicking the link above.
You can always read to your kids at home, but if you just need to get out of the house and let someone else do the reading for a change, you may want to check out Story Time Tuesdays at the Pottery Barn in Oxmoor Mall. Kids receive a free gift after attending five story sessions.
If your kids are a little older and like biking, skating, or skateboarding, you may want to take them to the Louisville Extreme Park. The Louisville Extreme Park is a 40,000 sq. ft. concrete skate park where people of all skill levels can skate and bike 24 hours a day, 7 days a week.
Yew Dell Gardens is a huge expanse of beautiful plants, many of which are rare. Kids will enjoy the plants as well as some of the garden's other decorations, including a stone castle. You'll have to pay to get yourself in, but kids aged 12 and under get into the gardens for free.
The 21C Museum Hotel Art Gallery isn't a typical art gallery. Digital installations that require audience participation will entertain kids as will the bathrooms with films of eyes watching or with walls that appear to be see-through. The 9000 sq. ft. art museum is open to the public 24 hours a day, 7 days a week.