IPP38 Puzzle Exchange, San Diego California, USA - 10 to 12 August 2018

Photos of puzzles and their exchangers at the IPP38 Puzzle Exchange. Please click on link below.

There were a total of 78 exchange participants...a drop from the average of over 90 in previous years.

http://mechanical-puzzles.com/ipp38-puzzle-exchange-11-august-2018-san-diego-california-usa/