Uploaded August 2024 | Updated September 2026, 5 hours ago

---

Rotascope - this is replica of old puzzle, which are now very difficult to buy.
Also, about 40 years have passed since this invention and patent restrictions have long since ended.
I think making this available to everyone, with the indication of the real name and author is a good idea.

forum link - twistypuzzles.com/forum/viewtopic.php?t=39539

If you are interested in my puzzles - please visit my Shop:
grigorusha.com