Johnny Dang, the famous custom jewelry designer, came up with these custom designed diamond boxing gloves. I don't find them very useful because you can't fight with them, you can just keep them as a useless thing. By the way they come up with a price of 14000 $
This dissapearing swimming pool idea by hydro floors is very unique and very useful for people who need a lot of space for different activities but also want a swimming pool. It is suited for people who use the pool rarely I think, and if it was for me, I would prefer a regular pool to jump in it whenever I want. However it's a very clever mechanism and very good idea.