This is a magnificent kumiki puzzle. First of all,
its made from laminated hardwoods - mostly walnut. The traditional kumiki cubes are
12 pieces this one is 20 pieces! So its more difficult than the other cubes
One-hundred of these cubes were custom made exclusively for
All most all kumiki puzzles come unfinished, but the Custom Cube comes with a
Briwax brad wax finish.
An unfinished version is also available.
This fun puzzle comes in a good quality gift box, with a solution diagram.
A mechanical puzzle is a self-contained object, composed
of one or more parts, which involves a problem for one person to solve by manipulation
using logic, reasoning, insight, luck, and/or dexterity. - Jerry Slocum