I can't believe you all had trouble with that. I got it on the first shot.

that's not a japanese puzzle at all... it's actually an old african puzzle, usually done with stones or flat rocks. been around since just about the dawn of time.
Primus Reviewed by Primus on . 2nd grade puzzle in Japan http://stwww.weizmann.ac.il/G-CS/BENARI/files/frogs.swf Took me around 10 tries... Rating: 5