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