Writer's Block: A Bright Idea
Cat-safe tinsel. Not the most exciting invention (unless you are a cat), but extremely marketable.
Also, a solar-powered bubble machine. This probably already exists, it seems so obvious.
Things to do with stilts, like made out of whatever it is they make racing bicycles out of, ridiculously lightweight but strong.
Is it banal that I'm only coming up with things that are actually easily made possible? I mean, none of these are magical invisible flying submarines or anything.
Also, a solar-powered bubble machine. This probably already exists, it seems so obvious.
Things to do with stilts, like made out of whatever it is they make racing bicycles out of, ridiculously lightweight but strong.
Is it banal that I'm only coming up with things that are actually easily made possible? I mean, none of these are magical invisible flying submarines or anything.