Object is to remove the ball which is inside the barrel. This puzzle appeared in a book called 'Puzzles Old and New' written by Professor Louis Hoffmann.
Gravity Well! By Bits and Pieces!One Tricky Assembly Puzzle in Metal!Includes Instructions, but Im sorry, I dont have the original Box.Comes with Wood Base.Rings show surface scratches, from assembly attempts.
The YOT puzzle is a shiny metal disc that comes with a real US silver dollar. The challenge is to open the YOT and remove the coin without power tools. Comes in original box with paper.