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Recreational math — plus art ...

    Doris--edgematching octagons with all combinations of 3 colors    Super Roundominoes by Kate Jones--shapes of 1-4 circles and bridges   Pentarose--based on Roger Penrose's prototiles for non-periodic tiling

Snowflake Super Square--permutations of squares with 3 shapes of edge

Archimedes' Square--world's oldest documented puzzle

Diamond Star--rhombic polyform in 3 colors
See our exhibit of
original gamepuzzles
for the joy of thinkingTM

  • Abstract strategy games
  • Polyominoes and polyforms
  • Penrose tiles — the golden ratio!
  • Combinatorial tessellations
  • Tactile graphics — movable art

See these and more
in Booth 700,
and online at our website,

Kadon Enterprises, Inc.
1227 Lorene Drive, Suite 16
Pasadena, MD 21122
Phone/fax 410-437-2163

Sextillions--shapes of 6 squares joined (hexominoes)

Cubits--the visual illusion of cubes

Trifolia--all shapes of triangles with 4 kinds of edge