Meet BeauEr 3X: an expandable caravan that can be easily towed and unfolds to turn into a large caravan when you are ready to relax. Its living area is tripled using electrical actuators powered by a 12V battery or 220v. When you fold the BeauEr 3X, its components fit together, so you don’t need to move anything around.
More gadgets like this: here
The above video shows how the BeauEr 3X concept works.
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