I had a cross something like this in my teens. It was given to me but I lost it. 42 Craft Project Ideas That are Easy to Make and Sell | Big DIY IDeas
This can be made with hex nuts, jump rings and a lobster clasp. Not too difficult.
I DON'T DO DRUGS
Teardrop Tear Drop Camper Trailer RV Pop-Up Plans How to Build Build Your Own on eBay! Brought to you by #Eugene CarInsurance and #HouseofInsurance.
vintage-trailer: 1945 Homemade vintage pop-up
There is a building at the Missouri Botanical Gardens that uses a similar principle to disguise itself.
Stilt House by Treehouse Architects
I need a treehouse like this...
Just need one more little house in the trees somewhere and then all my kids would have their own place to play, awesome!