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, a great pioneer of recreational geometry.
N. W. D. Puzzle.
A custom cutout puzzle with nine pieces.
The Martian Diamond.
Fit the six spaceships onto the diamond.
Twice As Nice Puzzle.
Four pieces, two easy puzzles in one.
As Nice Puzzle.
A harder version of Twice As Nice.
A cutout puzzle with four pieces to honor the new year.
Seven symmetry puzzles in one.
Forty-three symmetry puzzles in one.
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 hexacubes to make a symmetric shape.
This is like Colonel's Bouquet but with one hexacube and three heptacubes.
Hide the Gold.
My most popular puzzle, and probably my prettiest!
Fit nine nested symmetric pieces together to form a cube with a hole inside.
. Fit the six pieces together to form a cube.
. Fit 12 checkered solid pentominoes together to make each of three shapes.
. My second hiding puzzle, and an easy one to play with.
The Blue Bird of Happiness
. My third hiding puzzle, and an easy one to solve.
. A miniature anti-slide puzzle in the style of Vladimir Krasnoukhov.
Box of Ziti
. A new wrinkle on pentacube box puzzles.
. A symmetry puzzle with just two identical pieces.
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 [