Are you looking for a very difficult puzzle for your very smart Uncle
John? Does he always manage to solve every puzzle you get him right away?
Consider
these diabolical puzzles they are the most difficult puzzles we can find. These
really difficult puzzles are priced from as little as $3.50 all the way up to
$495.00.
7 sun size: 8 3/8"
L x 6 1/8" W x 4 3/8"
T (21.6cm x 15.6cm x 11.3cm)
Inside Compartment: 6" x 5 3/8"
x 3 1/2" (15.5cm x 13.6 x 8.8cm)
Secret Compartment: 6" x 3.5" x 1/8"
(15.5cm x 8.7cm x 3cm)
Difficulty: Very difficult
Sliding keys: 12 Sliding panels: 4
$495.00
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