theory11 is an American producer of playing cards, magic tricks, and puzzles. It was founded in Charleston, South Carolina by Jonathan Bayme.[1]
Products
In 2019, theory11 collaborated with English illusionist Derren Brown on a deck of cards that are sold on the company's website.[2]
In October 2020, theory11 produced a single-player board game named Box One in collaboration with Neil Patrick Harris.[3]
In May 2021, they collaborated with Whitney Museum of American Art and British artist Shantell Martin on a deck of cards, released in two different colors.[4]
In December 2024, they released a Harry Potter-themed jigsaw puzzle.