Challenge your mind with this amazingly simple and fun puzzle game using just twelve pentominoes!

Like the popular game of Mahjong, Ron brings us a simple puzzler that challenges the mind, yet is enjoyable for “kids” of all ages!

In the early 1960s, a simple twelve-piece puzzle called Hexed sparked a fascinating discovery. Originally intended as a gift, it soon became a sensation among college friends, who uncovered hundreds of ways to arrange its pieces into a six-by-ten rectangle. But what makes these shapes so intriguing? As it turns out, Hexed is part of the fascinating world of polyominoes—a mathematical puzzle concept that begins with simple dominoes and expands into endless possibilities.

Join us for a hands-on exploration of polyominoes, where participants will create their own set of twelve pentominoes to take home. Through engaging gameplay and puzzles, we’ll uncover the hidden logic behind these shapes and learn how to challenge family members of all ages with this timeless brainteaser.

Come discover the magic behind these twelve pieces—what looks simple at first may surprise you!

What to Expect:

Ron will guide us through the incredible versatility of pentominoes, introducing a variety of puzzle games that highlight their mathematical elegance. We will engage in a fun two-person strategy game, gaining skills to share this challenge with friends, children, grandchildren, and great-grandchildren – well, ANYONE!

Feedback from Ron’s past courses with us:

“Ron always does a great job of whatever he teaches. We could go on and on about this subject.”

“Ron led an interesting discussion around the challenges of chasing public opinion. It opened up some new insights which I had not considered. I left the session with some new things to speak with others about.”

“WOW!   Really enjoyed this topic and the discussions.  So refreshing at a time when there is so little dialogue in our culture.”

Ron Lesher

Ron Lesher

Ron Lesher has spent a career in education, as a teacher of physics and calculus at the high school level and as an evaluation specialist for the New Jersey Department of Education. He has an Ed.D. from Lehigh University in educational research and measurement.

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