Give the clear dial to anyone spectator, let them set the hand to any number while out of your sight, then return it to 12. Yet, you can still reveal their chosen number in one of four dramatic ways. Afterward, you can hand it right back—no switches, no added pieces, nothing removed—and they can examine it all they want. No matter how much they test or tinker, they’ll be completely baffled, even though everything they need is right in their hands.

• Maker: U.F. Grant, ca. 1950s

• Materials: Plastic, metal

• Dimensions: 2.5 × 2.5”

• Instructions: Included, original

• Condition: Excellent

Due to the rare and collectible nature of our merchandise, each item is typically available in single or limited quantities. Please contact us with any questions.