These are certainly some interesting invention ideas, though I imagine a few of them are on the far side of expensive, they are certainly still interesting to see.
A few of them, like a tiller on the end of a drill with extended length, could be rather cheap and make some hard work a lot easier for those of us with chronic back pain.
The plant molds are something that a crafty DIY type could probably fashion on their own, or those of you who have already delved into the 3D printing world might be able to print to some extent on your own.
Still, even the more high tech and expensive gadgets are, if nothing else, pretty cool to see in action.
