Making the Fourth Side. You dont have to do this but for this little house it made it easier. A Small Cardboard House For Kids Very Simple How To Make Youtube Cardboard Houses For Kids Cardboard House Bird House Kits On the other two sides go up to a point in the middle like a roof. How to make a simple house out of cardboard . Easy to make cardboard playhouse Turn a cardboard box into hours of entertainment for your little ones with this DIY collapsible playhouse. Use one slightly larger than a shoe box if you have oneStep 2 Place one of the open ends on the bottom. With some really basic and inexpensive materials a plain cardboard box can be transformed into a stimulating and colorful play house. Cut a half oval or a rectangular piece in the middle of the cardboard. We loved it because it was easy messy free and pretty fast. Today we decided to present you some creative and interesting DIY cardboard playhouse ideas. The only way to hide the cardboard AND give yo...