Seems like an interesting find as I had never seen anything like revo before. Curious if anyone has the 1c version and if it is any fun. Certainly looks easier haha!
http://www.sloyd.fi/blind-labyrinth-p-2 ... d09tinbc53
Edit: This was supposed to be in other puzzles... sorry

Double edit: I must have botched my search. Meantioned in old thread. But since it's available right now still open to a dialog about them
