We talk all year about how we can\u2019t wait to spend long summer days outside, but when the heat index soars and the humidity makes those \u201cfeels like\u201d temps creep above 90 degrees, it\u2019s just way too hot to even think about being outdoors. Instead of letting the heat keep you home-bound this summer, keep this list handy for last minute A\/C-friendly activity ideas. Indoor Playgrounds Incrediplex With over 60,000 square feet of 85+ arcade games, laser tag, an obstacle course and more, you\u2019re guaranteed a good time. Address: 6002 Sunnyside Rd., Indianapolis Kid\u2019s Planet With jungle gyms, multi-level playgrounds, arcade games and more, Kid\u2019s Planet is a great spot to host a birthday party or just enjoy the indoors for a few hours. Address: 499 Southpoint Circle, STE 101-102, Brownsburg KidCity at Greenwood Community Center This two-story playspace is fun and educational, with STEM-focused activity centers incorporating science, art and music. Address: 100 Surina Way, Greenwood Main Event Bowling, laser tag, arcade games \u2014 oh my! Head to Main Event for nonstop family fun. Address: 4016 E. 82nd Street, Indianapolis Main Event The Park at Traders Point Christian Church Free and open to the public, The Park\u2019s indoor playspace is a great place for parents to unwind and kids to let out some energy. Address: 6590 S. Indianapolis Rd, Whitestown The Urban Chalkboard\u00a0 A play-based learning cafe, the experts at The Urban Chalkboard continue to develop play experiences, classes, camps, and activities that nurture a growth mindset in little learners. Address: 452 E. Carmel Drive, Carmel Playland at Brookville Road Community Church Free and open to children 4\u00bd feet and under, The Playland features slides, tunnels, an area for kids under 2 and more! Address: 7480 US-52, New Palestine Pro tip: Plan your visit during popular morning and afternoon nap times, or eat an early lunch and get there right at noon, when everyone else will be taking a break. See our full indoor playground list here! Museums The Children\u2019s Museum of Indianapolis The world\u2019s biggest children\u2019s museum has numerous exhibits, daily shows and programs, member events and so much more. Address: 3000 N. Meridian St., Indianapolis Credit: Children's Museum of Indianapolis Indiana State Museum Learn about the Hoosier story in a building made entirely from Indiana materials and catch a movie on the state\u2019s largest IMAX screen. Address: 650 W. Washington St., Indianapolis Eiteljorg Museum of American Indians and Western Art Get to know rich and fascinating Native American and Western art, stories and culture. Address: 500 W Washington St, Indianapolis NCAA Hall of Champions With two levels of NCAA trivia, games and interactive exhibits, the Hall of Champions has something for everyone. Address: 700 W. Washington St., Indianapolis Indiana Historical Society Learn all about what makes the Hoosier state great. Address: 450 West Ohio Street, Indianapolis Conner Prairie Discovery Station Have fun building a fort, playing dress up and putting on a puppet show. Address: 13400 Allisonville Road, Fishers Nature Centers Habitat Hall at Holliday Park Free to the public, this 13,000-foot nature center educates visitors with hands-on experiences, classes, after-school activities, arts and crafts, and more. Note that some classes may have fees. Address: 6363 Spring Mill Rd, Indianapolis The Ornithology and\u00a0Earth Discovery Center at Eagle Creek Look out over the bird sanctuary from the observation room and learn all about birds with hands-on kiosks and activities. Address: 6515 Delong Road, Indianapolis Cool Creek Park & Nature Center Nature lovers are invited to learn about the science of Indiana woodlands and the importance of preserving plants and animals in their natural habitats. Address: 2000 E 151st St, Carmel Cool Creek Park & Nature Center Pro tip: Call ahead or check online for kids\u2019 activities, such as animal feedings and craft projects, to extend your time inside. Art Centers Indianapolis Art Center Art classes, free rotating exhibits,\u00a0art camps\u00a0and more will give your kids a chance to cool down and get creative this summer. Address: 820 E. 67th St., Indianapolis Indianapolis Art Center The Art Lab\u00a0 Events, classes, workshops\u00a0and more are offered for both kids and adults at this Carmel-based art center. Address: 31 E. Main St.\u00a0#300, Carmel Indianapolis Museum of Art at\u00a0Newfields Explore the museum\u2019s rotating and permanent exhibits and sign up for one of their many art programs. Address: 4000 N. Michigan Rd., Indianapolis\u00a0 Garfield Park Arts Center (GPAC) Rotating indoor exhibits, art and dance classes, family art nights, and more are available throughout the summer at GPAC! Address: 2432 Conservatory Dr., Indianapolis Bookstores & Libraries Your local library Find your nearest Indianapolis Public Library branch and attend one of the many free events and activities. From writers\u2019\u00a0workshops to reading circles, art classes to book clubs, lectures to animal shows, and everything in between, the IPL has no shortage of activities to keep your little ones entertained on hot days this summer!\u00a0 Indy Reads Books Kids chess club, a drag queen reading hour and more await you and your family at Indy Reads this summer. Address: 911 Massachusetts Ave., Indianapolis Kids Ink Children\u2019s Bookstore Kids Ink connects kids to literature through a rich selection of books, games, puzzles, creative-play toys, events and more. Address: 5619 N. Illinois St., Indianapolis Kids Ink Children\u2019s Bookstore Books & Brews With nine Indiana locations and growing, family-friendly Books & Brews offers beer (for parents), food, $3 books and ample board games. Address: Multiple locations Pro tip: The Central Library downtown offers inexpensive underground parking (enter off Pennsylvania Street) for those days when you really don\u2019t want to go outside. Need some more ideas? Try these activities to burn off some excess energy! Roller skating Ice skating Rock climbing Gymnastics places Bounce houses\/trampoline places Indoor sports centers Bowling - Check out the Kids Bowl Free program!