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Friday, 26 July 2013

AlCyl (Iwahiro)

So very much has happened since my last blog post; I went a few MPPs, got married etc. but I think it's about time for a new post!

This rather lovely looking puzzle goes by the name of AlCyl, which is short for 'Aluminium Cylinder'. It made it's first appearance in 2009 as an IPP exchange puzzle in San Francisco, designed by Hirokazu Iwasawa (AKA: Iwahiro) and made by Seiko Kogyo Co. This particular version is a new run of the design which has been available from Wil Strijbos over the last year or so.

AlCyl is machined entirely from aluminium, which has then been anodised in blue. The colour of the the cylinders from the 'new' run of puzzles is slightly darker than the original 2009 version, but apart from that they are completely identical in size and design.

The AlCyl almost seems like it was born to live next to the Aluminium Cylinder and Washer Cylinder puzzles from Wil Strijbos. The AlCyl is larger than both of the others measuring in at 48x60mm, and it has a pretty decent heft to it as well.

The objective of this puzzle is to open it and retrieve the hidden coin inside. As a design it is very simple, and while that doesn't always mean the puzzle itself will be simple as well in this case that is exactly what it means. Most -if not all- puzzlers will be able to solve this puzzle in little time. The only time I have heard of a puzzler not being able to solve it is when Kevin somehow managed to jam his shut by accident (it's funny how it always seems to be Kevin).

This would be a great addition alongside a collection of beautifully made metal puzzles, just don't expect to have the solving experience of your life with it.

The AlCyl is currently available for a very reasonable price directly from Wil Strijbos.


  1. It's about time you wrote something! Even a wedding shouldn't get in the way of puzzle blogging - I've spoken to Kirsty and she fully understands!

    My Alcyl remains firmly shut! None of the greatest puzzlers in the UK have been able to open it!

    and remember...... I'm the puzzle fixer not breaker!


  2. Oli, welcome back...its been half a year already??


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