Coin Puzzles by Rex Rossano Perez

A very Happy New Year to my puzzling friends and blog readers. This is my first post of 2019.

I have just played with two of Rex Perez's Coin Puzzles and uploaded a post on them to my puzzle site below.

http://mechanical-puzzles.com/coin-puzzles-by-rex-perez/

Double Vision

A puzzle with a rather neat "trick" for the solution. Allan Slocum's IPP38 Exchange Puzzle.

http://mechanical-puzzles.com/double-vision/