William L Hunter blueprints from 1928. A woodworking extraordinaire. (Credit imgur)
Square Block wooden Burr puzzle.

The 45 Degree Block puzzle: AKA the Mini Lumberjack.

Mini Lumberjack/Mini Lumberjack's Challenge
$15.99

Notsoezy Puzzle - a clever disentanglement puzzle - similar to Orbits or the Baguenaudier

Orbits
$13.99

A cylindrical Burr puzzle - like the Constructus.

Constructus
$19.99