Ever since I read Swiss Family Robinson, as a child, I wanted to live in a tree house. My favorite spot to go was high up in the Dogwood tree that grew beside our old house in Wyckoff, NJ. I still love tree houses and climbing trees.
If you want to perform a little initiative to your children you may select wood Pallet tree house project for children. Wood pallets for children are very completely happy if you make a DIY Pallet tree house.