The Colonel's Puzzles
… and Mr. Winkle, being greatly puzzled by their manifold windings and twistings, …
The Pickwick Papers
Geometric Cutout Puzzles
The Foxagon Puzzle.
With only four pieces, how hard can it be? . . . Heh heh heh.
The Hexicator Puzzle.
This one has nine pieces!
The Poolazoid Puzzle.
And this one has ten, all the same shape.
The Con Ed Puzzle.
This is another four-piece puzzle, and it's a good one to start with.
Triple Play Puzzle.
This pentomino puzzle was inspired by the start of baseball season.
This puzzle honors Livio Zucca, one of the great pioneers of recreational geometry.
Geometric 3D Puzzles
Fit the 15 W-shaped pieces into the box.
The Telegraph Puzzle.
Join three identical pieces to make a prism.
Join any two of the four pieces to make a symmetric shape.
First fill in the answers to the clues, then solve the sudoku.
A puzzle about a popular card game.
A puzzle about an old board game.
Solutions to Lewis Carroll's
Col. George Sicherman [