The Vintage 1990 Innumerable Zany Numbers Card Came Sudoku Style Math 15 X 15 Puzzle by Great American Puzzle Factory is a unique and challenging puzzle featuring a math theme. This 9-piece cardboard puzzle allows you to enjoy a classic Sudoku-style game with a twist - using numbers instead of letters. Perfect for puzzle enthusiasts who enjoy a good mental challenge, this vintage puzzle is sure to provide hours of entertainment and fun.
