Mechanical Puzzles Blog

Cribbage Can Be Murder
Among card games, cribbage is an oddity. It uses a standard deck of playing cards, but the way you include your opponent’s hand and the discarded “...

Complexity From Simplicity - A Brief Look at Go
Here at Kubiya games we love our classics, and there are few games older than the strategy game Go. It's a great game with a following as large as ...

The Unsolving of Tic-Tac-Toe
 When my oldest child was playing with neighbors at the age of seven, I heard a familiar taunt: “Becky and Joey, sittin’ in a tree….”  I’m sure you...

Chess - The First Thousand Years
Here’s a riddle for you: what game started in India, got its name from Persia as viewed by Byzantium, has rules from Spain and Italy, and the oldes...

Praise for the Pentomino Puzzle Platform
How many ways can you arrange two square tiles so that they share at least edge? It doesn’t take much to show that there’s only one way: form a rec...

Party Puzzles and Drinking Games
Like most great family traditions, I don’t remember how it started. Whenever guests arrive and dinner is still in the oven, one of the kids will go...

Towards More Practical Puzzling
These past few months, I’ve found myself pondering the value of a good puzzle. Are they really just for clever people to show off? Is there any pra...

P vs. NP Puzzles
A legend about Carl Friedrich Gauss says that when the great mathematician was eight years old, a teacher asked him to add up all the integers from...

A Brief History of Burr Puzzles
Most puzzle enthusiasts are familiar with burr puzzles as a special category of interlocking puzzles, traditionally made out of wood. They consist ...

More Puzzles from Jean Claude Constantin
More new puzzles from Jean-Claude Constantin!Jean-Claude Constantin is possibly the best-known inventor and designer of contemporary mechanical puz...

New Puzzles from Jean Claude Constantin
Jean-Claude Constantin is possibly the best-known inventor and designer of contemporary mechanical puzzles in the world. His unique and ingenious c...

What is STEM Tangram Puzzle?
What is STEM Tangram Puzzle?STEM Tangram puzzles are a type of puzzle known as a “rearrangement puzzle,” or a “dissection puzzle.” The puzzle consi...