X-Acto knife

You take out a set of 20 or so business cards on which you have written denominations of bank notes of whatever currency is normal in your country in a random order

100% plastic cards built to withstand years of use

the ingenious design and structure of this prop allows you to replace the background paper

720 Jam Packed Pages--Plus 20 Pages Of Indexes

Impossible Conditions | Dr. Schwartz Reel X-Acto knifeDr. Schwartz's Impossible Conditions Probably one of the finest mechanical marvels Dr. Schwartz has ever invented, so easy to do. Imagine this: A card is elected signed and placed back into the pack. The deck is placed into the card box and the box is sealed inside a plastic Ziplock bag. You stand away from the bag. The card box is in full view. The bag is covered with a hank. How could the signed card possibly be found under these impossible