Challenging for both chess and non-chess players
You can see a video on the puzzle at this link:
Uses a very interesting slide and interlock system that will hold the barrel securely in place when assembled
See It In Action
There are about 5000 possible solutions
Optician Wood Puzzle | Personalizable Graduation Gift for Eye Doctors stewart coffin design 222 Challenging for both chess andChallenge yourself to arrange all the pieces within the base of this finely crafted Optician Wood Puzzle gift. Made from 1 4" thick wood, it incorporates at least four distinct wood types and measures about 7. 5 inches square, including the cover. This intricate puzzle features elements such as a Vision Chart, Ophthalmoscope, Glasses, Eye Drops, Eye Shield, Phoropter, Visual Fields Tester, Contact Case, Eyeball, and Doctor Patient figures.