Jerry's Mechanical Puzzle & Brain Teaser Collection

First off, Merry Christmas to everyone! This post is long overdue. In fact it is a year overdue. I received the Portico J as a Christmas...

Sorry folks for a delayed post as I was on a family vacation to Taiwan...and had too much luggage to bring any puzzles along. Well, her...

This is an interesting 3-piece "Burr" called "New Tam's Burr R-End", designed and crafted by Hidekuni Tamura. It was...

What does a puzzle blogger do when he hasn't had time (due to work and other commitments) to play with new puzzles to write about them? ...

This weekend, I played (or rather re-played) a puzzle that has seen a number of incarnations over the years. The puzzle is Naoaki Takashima...

There are packing puzzles and there are packing puzzles. And 2D packing puzzles come in all shapes and styles. Aside from the typical standa...

Of all the IPP36 Exchange Puzzles, the Vivaldi Burr must surely be one of the most unique and unusual looking ones present this year! Very n...

Trois Chocolats is a 2015 dexterity puzzle from Frederic Boucher. In recent years, he has also designed several others including Manholes 55...

For this year's IPP36 Nob Yoshigahara Puzzle Design Competition, I submitted two entries. One was my own design (the subject of this pos...

The past few days were spent on Rosemary Howbrigg's IPP36 Exchange Puzzle, Murbiter's Devilish Burr designed by Primitivo Familiar R...

Can two ordinary ordinary zippers that are joined together become a real mechanical puzzle? Well in the genius hands of Hirokazu Iwasawa...

CheckerBored 3 is anything but boring!  I had thought that with the fair amount of practice I have had with packing puzzles designe...

The Cast Lock is one of Hanayama's recent offerings and based on the 2014 IPP34 award winning competition entry design "Cassette...

Update 23 October 2017 - Dear Reader, please check out my new puzzle blog and e-store  at  http://mechanical-puzzles.com Over the weekend,...

Here are two IPP36 Exchange Puzzles I played with over the weekend. The first is Bolt, designed by Atsushi Katagiri and made by Hide...