Heath's Deciphering Dice is a captivating blend of magic and mathematics. First introduced in 1927 by Royal V. Heath, this remarkable trick uses five laser-engraved dice to perform mind-blowing feats of mental math. With over 7,700 possible combinations, the magician can instantly reveal the sum of any roll, leaving audiences amazed. Features & Details Includes 5 laser-engraved wooden dice Comes with a handcrafted wooden case (5.25" x 2.5" x 2") Based on a mathematical principle by Edmund Balducci Handmade in Hudson, Florida Perfect for Gifting & Learning Ideal for magicians, educators, and puzzle collectors. This timeless piece combines entertainment and educational value. How It Works The genius behind the dice lies in a clever number pattern, developed by Edmund Balducci and popularized by Heath. Each face of the dice displays a unique three-digit number. When rolled, the sum of these numbers always falls within one of 27 possible totals. This allows the magician, with simple mental addition, to quickly announce the correct total. The included dice patterns also enable more advanced magic routines, adding to their versatility.