Welcome to the eBay store for the Multidisciplinary Association for Psychedelic Studies (MAPS). All sales from this store benefit psychedelic and medical marijuana research and education. Please visit www.maps.org for more information. Founded in 1986, the Multidisciplinary Association for Psychedelic Studies (MAPS) is a 501(c)(3) non-profit research and educational organization that develops medical, legal, and cultural contexts for people to benefit from the careful uses of psychedelics and marijuana.