Yesterday I received an email from Michael McGinnis, the sculpture who invented Superplexus – the coolest puzzle I have ever seen. He has been using BuildCalc for some time and, in his words:

[blockquote type=”blockquote_line” align=”left”]… visit my website at to see why your calculator is so valued to me personally.
– Michael McGinnis[/blockquote]

So, I did. Wow, totally cool!  My first thought was, when will I get the chance to try one of this out.  Then, I saw this …

So guess what the twins are getting this Christmas.  The amount of creativity and precision in both Superplexus and Perplexus have blown me away and so I wanted to know a little more about Michael.  Fortunately, he has a great web site and you can hear the Superplexus story in his own words here: