Para mis niños...
Five Fun Things to do with a Cardboard Box this school holidays.
coolest kid castle ever! DIY made of recycled cardboard... Who wants to come over my house when my niece is around 2 or 3 years old?! I'm gonna need help with this bad boy. :)
I was saving those cardboard boxes for a reason! To build a castle with my boys.
Cutest little play castle for boys from the blog All the Quiet Things!
play | cardboard creations
Reminds me of building cardboard and masking tape forts when I was a kid.
Building with Cardboard
Cardboard Box Castle- http://www.kitschdesigns.com/post/Making-And-Crafts--Cardboard-Box-Castle.aspx#comment
15 Toys You Can Make with Cardboard | Apartment Therapy (after the holiday season, you always have a few boxes hanging around. Here's a fun way to use them!)
Fun Ideas for Kids