PERRY, Charles O.?Three Puzzles.?Connecticut: Charles Perry (American, 1929-2011). Some of the most prestigious burr puzzle designs ever created, one of which is featured in the permanent collection of MoMA. Perry was a sculptor and designer known for creating monumental structures with elegant forms imbued with mathematic complexity. These puzzles feature the same harmonious blend of aesthetics and engineering, yet fit in the palm of your hand. Ball: 1 ? x 1 ?x 1 ?". Acrylic Ball: 2 x 2 x 2". Ball and Zen Precision Brass Puzzles: 2 ? x 2 ? x 1 ?". Fine.