Greg Puzzles Blog
Happy Cube: Six Flat Pieces, One Cube
Flat foam that folds into a cube with no glue and no frame. The grid behind the shapes is the reason it holds together at all.
Happy Cube: Six Flat Pieces, One Cube
Flat foam that folds into a cube with no glue and no frame. The grid behind the shapes is the reason it holds together at all.
The Altekruse: Twelve Identical Pieces
A man whose surname means old cross patented a cross-shaped puzzle in 1890. Experienced burr solvers routinely lose their first half hour to it.
The Altekruse: Twelve Identical Pieces
A man whose surname means old cross patented a cross-shaped puzzle in 1890. Experienced burr solvers routinely lose their first half hour to it.
Square-1: The Twisty Puzzle That Stops Being a ...
Every other twisty puzzle stays the shape it started. This one turns into something unrecognisable on the second move, and that is the design working.
Square-1: The Twisty Puzzle That Stops Being a ...
Every other twisty puzzle stays the shape it started. This one turns into something unrecognisable on the second move, and that is the design working.
The Mirror Cube: Same Colour, Different Sizes
One colour, nine different sizes, and a surface that goes lumpy the moment you scramble it. The algorithms are the same ones you already know.
The Mirror Cube: Same Colour, Different Sizes
One colour, nine different sizes, and a surface that goes lumpy the moment you scramble it. The algorithms are the same ones you already know.
The Gear Cube: Only Half Turns Allowed
A twisty puzzle whose first production name was a warning about getting your fingers caught. It turns in half-turns only, and that is the whole design.
The Gear Cube: Only Half Turns Allowed
A twisty puzzle whose first production name was a warning about getting your fingers caught. It turns in half-turns only, and that is the whole design.
Trick Locks: Padlocks With No Keyhole Worth Using
A lock whose keyhole is a decoy. The honest ones are two thousand years old, and the marketing around them is frequently nonsense.
Trick Locks: Padlocks With No Keyhole Worth Using
A lock whose keyhole is a decoy. The honest ones are two thousand years old, and the marketing around them is frequently nonsense.