These puzzles were all produced in metal by Bits and Pieces. They continue to sell several of them. Puzzle Master in Canada also sells some of them as a Bits and Pieces customer. Eureka sells some of them in the EU. Puzzleatomic has some of these in wood.
Mini Box Puzzle with large metal Brass Pyramid Puzzle metal 2011 Yin and Yang Puzzle also known Thumbwars Puzzle 2005 metal
hinge 1992-93 First called PYrEyeMid , cast As Monad, 1995. Metal 2004
urethane 1997 and an IPP exchange An IPP exchange puzzle.
Two Fishes Puzzle 2005 metal Hidden Scroll Puzzle 2005 metal Butterfly Puzzle 2006 metal Fish Hooked Puzzle 2006 metal
Secret Heart Puzzle metal 2008 Great Collision Puzzle 2008 metal Trinity Infinity Puzzle 2009 metal Threebus Moebius 2009 metal Also also called Secrets of the Heart
Knot Simple Puzzle 2010 metal EZ Atom Puzzle 2010 metal Tetrametric Puzzle 2005-2009 metal Keltic Cube Puzzle 2007-2012 metal
EZ Unlink Puzzle 2011 metal EZ Galaxy Puzzle 2011 metal EZ-1 Puzzle metal 2014