It's a nice idea, but it needs some work. Each reasorce is just an upgrade of the last, it would be better if different reasorces were better at different things compared to others. On top of that, each drawing is the same but with an extra circle, it'd be more interesting to draw more than just circles. There's also the odd jump in elements, fire or air makes sense but animals? Lastly, there's no research value or total earning visible, so you're not sure how much you're gaining or losing other than watching the very slow moving bar.