This is for people who want to go green in literally every aspect of their lives. However, rather than writing this off as some sort of fad, it also makes a lot of sense. All you need to do is–literally–add water. Not only do you never have to worry about batteries again, but you’re also helping our the environment, it just makes so much sense.
Plus, at $16 dollars does it get much better than this? It comes in a bunch of colors, too. Pick one up here.