How to build a cardboard castle
It made me
Happy 
"Totally worth it - i built a two tower fort style on a hot day with my nephews. They played in it for a week before it fell completely to pieces."
How I did it: We got used cardboard packaging from a whitegoods place, then taped it together into shape. We cut out doors and windows with a stanley knife. Easy as.
Lessons & tips: If you can't get square boxes, you can open up large, flat boxes into circle shapes.
