Vintage Illusions Jigsaw Puzzle

©1993 Ceaco, Inc. Illusions 100 piece jigsaw puzzle. This puzzle is UNOPENED so I cannot comment on the state of the puzzle, but all the pieces are definitely there! As stated on the box, “Discover “Deep Vision”. Revolutionary computer generated art creates 3-D illusions without special glasses! Complete the puzzle, learn the “deep vision” technique and a three-dimensional image will appear. Complete instructions inside.”