Referred to as Houdini “Unique” Skeleton Key Set, these would open up to 300 types of padlock, and were made from hardened tempered steel. They consisted of 6 keys on a card shrink wrapped, along with a “History Sheet” about Houdini. When first out these sold for £13 / $26
I'm really trying hard not to do anything that has been done before. So knowing everything I can about the legacy of magic challenges my team and I to invent new illusions.