World's Largest Collection of Mechanical Puzzles
In 2006, puzzle enthusiast and author Jerry Slocum donated... ...cum donated his extensive collection of mechanical puzzles (he's got more than 30,000 puzzles and about 4,000 puzzle -related books) to Th...
https://www.neatorama.com/2012/06/18/worlds-largest-collection-of-mechanical-puzzles/
