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...
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...
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...
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...
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...
Most puzzle enthusiasts are familiar with burr puzzles as a special category of interlocking puzzles, traditionally made out of wood. They consist ...
More new puzzles from Jean-Claude Constantin!Jean-Claude Constantin is possibly the best-known inventor and designer of contemporary mechanical puz...
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?STEM Tangram puzzles are a type of puzzle known as a “rearrangement puzzle,” or a “dissection puzzle.” The puzzle consi...
Everywhere you look these days, educators are constantly talking about STEM and how important STEM skills are to a child’s development and future. ...
Tic Tac Toe, or Noughts and Crosses in the UK, is often one of the first strategy games many learn to play as young children. This seemingly simple...
Labyrinths and mazes have long played a role in human cultures around the world. While escape rooms are relatively new (first opened in 2007 in Kyo...