Author: David Hillel Goodman

'This is a marvellous book. The diversity of possible puzzles that can be given with these very limited resources, which are basically some paper a...

A NEW TWIST ON A POPULAR PUZZLE CUBE! Invented by Piet Hein, the Soma cube is one of the most famous mechanical puzzles in the world. The tradition...

LEARN SHORTCUTS Many of the puzzles will seem as though they will take longer than two minutes to solve, but ... there are shortcuts if you can fin...

THE TANGRAM is one of the oldest types of dissection puzzles in the world that originated from China. It traditionally requires the participant to ...

THE TANGRAM is one of the oldest types of dissection puzzles in the world that originated from China. It traditionally requires the participant to ...