15 Indoor Fort-Building Kits Your Kids Will Love

Power Your Fun Fun Forts Kids Tent For Kids ($30)

At 85 pieces, this fort-building kit from Power Your Fun is one of the smaller ones on this list. But it leaves plenty to your kids' imaginations. The kit comes with 52 connecting rods and 29 multilink spheres, which can be attached to create a castle, rocket, igloo, mansion, and more. The included building guide helps your kids assemble their masterpieces, and the pieces are sturdy enough to support a sheet on top.