15 Indoor Forts Perfect for Sticky Summer Days

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When your craft kit supplies are running low and the summer days without school are long, there’s nothing quite like building an indoor fort with your kids. We’ve gathered up some seriously wow-worthy forts to inspire your next creation. Grab your pajamas and your pillows and get building.

Check out this indoor fort from Air Fort. Your kids will love how fast it can be built and and how quickly they'll be having a blast!

We love the creativity on this indoor fort! A strong frame will go a long way.

Make-A-Fort Kit

Construct and play inside incredible indoor forts, castles, mazes, and tunnels; there are endless possibilities of what you can build with this engaging kit! 

Get yours here, $77 & up. 

Firetruck Fort

Jessica, the mom behind Utah Country Mom, built this impressive indoor fort for her firefighting-loving toddler using a card table as the base. 

Cardboard Castle Fort

We’re totally wowed by Brandon Tran’s cardboard castle. If you’ve got extra cardboard boxes (and a fair amount of patience), you can make one for your house too. 

Fort Boards

Indoor afternoons just got a whole lot more fun! Fort Boards are the perfect open-ended building toys that combine imagination and STEM skills and will keep littles busy for hours. Construct domes, vehicles and various-shaped forts with these colorful and BPA-free pieces that can build up to 20 square feet of construction but fold down for easy storage. Snag a set here

Upcycled Newspaper Fort

Gather up your old newspapers to make this genius fort from Modern Parents Messy Kids. You can leave the structure as is, or throw a blanket on top to make it extra cozy. 

Build-Your-Own Fort Kit

If fort-building isn’t your forte, you can snag a kit like this one from aidenandtuck on Etsy. It’s got everything kids will need to make an awesome indoor fort (minus the sheets or blankets). You just might be surprised by the creations they come up with. 

A-Frame Fort

If you’re handy with a drill and a sewing machine, give this A-frame tent DIY from family blog Cakies a try. It’ll make the perfect kids-only hideout for overwhelming hot days. 

House in the Hallway Fort

This hallway house is a truly portable wonder. It's a shapeshifter that can be set up in the hallway, or even over a staircase for older kids who want a two-story play space. Our favorite bit from mom blog ikatbag is how interactive the creation is! 

Cardboard Rocket Fort

If you’re feeling crafty, check out this crazy cool rocket fort from Kate’s Creative Space. A cardboard box can become something completely new after adding colorful paper, tin foil...the sky’s the limit! 

Cozy Reading Nook

Here’s another take on the reading nook from Small + Friendly, a modern homemaking blog. With a mini futon and a pretty canopy, littles will love relaxing in this cozy corner. 

Impressive Dome Fort

Budding architects are sure to appreciate this geodesic dome indoor fort built by one talented parent. All the details can be found on Instructables. With cardboard, box cutters and some paint in hand, this could be the perfect way to spend a too-hot day—your kids will definitely thank you! 

Under-the-Table Fort

There's no structure more stable than your table! Take a cue from Mama Papa Bubba and put together a quick hideaway using a bedsheet and a table.

The No-Sew Bunk Bed Fort

Got a bunk bed? Then you've got a pre-made indoor fort hiding right in front of your eyes! This 5-minute, no-sew fort from creative family blog Come Together Kids takes only a twin sheet and curtain rings to come alive. 

— Taylor Clifton, Christal Y & Susie Foresman


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