Playable Art of Kate Jones, movable mosaics and kaleido-matrix gameboards, unique in all the world, made by Kadon Enterprises, Inc., since 1980; an intro page ...

Tactile Graphics - an original artistic puzzle genre by Kate Jones - math-based movable tiling sets you can rearrange into countless dramatic patterns; large ...

Polyform Puzzles - world's largest collection of hands-on sets, made by Kadon Enterprises, Inc., since 1980; intro page to 'gamepuzzles for the joy of ...