Oh I lovet if visually! Puzzles are cool. I'm afraid I didnt get to understand how teh well puzzle works.I guess that the colors that rise up have something todo with the colors in the cranks, but I wasnt able to see what it has to do; the ones that matched didnt seem to work and I wasnt able to see a "opposite" opption neither; I solved that puzzle as a try and error thing until I got it right.
The grasshopper one feel very comfy, now I want to try to program oen of thoose!