Peter Grabarchuk Puzzle Designer
Sites Updates - 04/2008 April 28, 2008      
Triangle in Addition
The Knossos Labyrinth
Saddle the Horses
  April 7, 2008      
Sphere Between Cubes
Stained Glass Unicursals
Broken Checkerboard
Peter Puzzle
Find at this website puzzle projects by Peter Grabarchuk, including puzzle products, books and publications, web puzzles, and other puzzle activities.