This is an interesting puzzle. The object is to extract the ball by navigating a hidden internal 3D maze. This puzzle is a discontinued Orb Factory item.
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.
Electro Puzzle No. 2, from Tenyo Co. Ltd. of Japan, probably 1980s. The cord can be taken out of the maze of metal loops! Measures about 4 3/4" diameter by 1 1/2". Used, but in excellent condition; no box
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.
The Buffalo Nickel is based on a puzzle design by Oskar van Deventer and was made by George Miller for IPP 20 in Los Angeles is a large burr style puzzle where the object is to fit the two burr pieces into the main body of the coin to complete the border of the coin. It takes 9.5 moves to put the three pieces together into the solved state. This is a Planar Burr puzzleDimensions: 14.6oz Heavy Steel Metal- 3.75" in Diameter, 0.5"