The temperates may drop but the fun can't be stopped...
Here are some great businesses (in random order) that have fun things for the kiddos to enjoy, I am sure I left some out, feel free to leave a comment with your favorite spot...

Lazer Kraze, Website, open after 4 Tue-Fri and Noon on Sat/Sun, Lewis Center...inflatables, ultimate laser tag, gaming center and arcade to enjoy PLUS Wi-Fi and unlimited soda refills. The laser tag games fun every 20 minutes and when there is open inflatable times all ages (42" and taller) can enjoy 2 hours of fun!

Creation Nation, Website, Dublin, Come in as a family or enjoy a tween/teen or other program or summer camp--Great FUN! 

Lattes & Lollipops, Website, Mon-Fri 9-3, Sat 9-1, Powell, Happy hour price special 2-3pm Mon-Fri; this is a great place for toddlers to about 7 to play for up to 2 hours while you play with them or enjoy a hot or cold beverage and snack in a neighboring room. 

Magic Mountain Fun Centers, Website, Polaris, something for all ages, arcage, laser tag, toddler play gym and outdoor fun too! 

FireFly Play Cafe, Website, Clintonville/Worthington, fun for 1 til about 5 or 6 and free wi-fi! Many days of the week there are fun extra events to enjoy and stimulate the kiddos! 

SuperGames, Website, Worthington, Hours and open play vary, enjoy a room full of fun inflatables

SkyZone, Website, Lewis Center, Hours and open play vary, they do have age grouped classes, including 'toddler' classes!

Buckeye Bounce Club, Website, Powell,  Hours and open play vary, they do have age grouped classes, including 'toddler' classes and a 'bounce and babysit program beginning June 11th. 

Skate Zone 71, Website, Columbus, enjoy a range of skate times and options, along with a laser tag, arcade area and concessions. 

Chiller Ice Rinks, Website, Dublin, Lewis Center, Easton, and Ice Haus, pick the location to see when open skating is, enjoy a Friday Night Meltdown! 

Recreation Outlet, Website, Powell, Enjoy trying out all the fun outdoor equipment in a large indoor facility, in addition to free play hour there are times to pay to play as well. Great for most ages and generally open 7 days a week.

Graeters Ice Cream, Website, Bethel Rd/Columbus/Dublin, Enjoy a scoop of icre cream and some free indoor fun play, geared for 10 and under, must wear socks. 

Pump It Up, Website, Plain City, fun for almost all ages, concessions often available and open times to enjoy as well. 

SuperGames, Website, Worthington, bounce til you can't bounce any more! 

Chuck-E-Cheese, Website, Dublin (Off Sawmill & 161) & Columbus, eat play every day

Dave & Busters, Website, Hilliard/Polaris, food and fun (there isn't as much for toddler ages there but would be fun tween/teen outting)
COSI, Website, Columbus, fun for all ages, food onsite and plenty to exhaust everyone! $5 for parking
Fort Rapids, Website, Columbus, stay a night or just play for the day!
Sports Ohio, Website, Dublin, in and outdoor fun for those that are eager to play some games- enjoy 'Phat Fridays', every Friday this summer, unlimited play for $13

Area Libraries, LINK to article

Food Play Areas: 

• Chick-Fil-A in Hilliard, Polaris and off Sawmill Rd. 
• McDonald's off Sawmill N and in Marysville
• Burger King off Sawmill S
• Skyline Chili offers a kids eat free night and a craft, check local store for which day