Puzzle for persons with impaired vision

Details Puzzle for persons with impaired vision Puzzle for persons with impaired vision

A - Human Necessities

63

F

272/40

A63F 9/00 (2006.01) A63F 9/08 (2006.01)

Patent

CA 1188342

ABSTRACT OF THE DISCLOSURE The present invention provides a three-dimensional puzzle having a plurality of puzzle pieces moveable relative to one another and being distinguishable by touch for determining when the pieces are in the puzzle solving position.

397963

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