Bloch established a Board of Advisers for the Workshop consisting of Dr. Robert Albo, Davey Marlin Jones (drama critic for the CBS affiliate in Washington, D.C., and Les Smith. Until his death, Orson Welles also served as an overall sounding board and artistic reviewer for the Workshop.
Collector's Workshop hosted an annual World Magic Summit in the Washington D.C. area.
On May of 2000, Viking Mfg. Co. acquired the entire assets of Collector's Workshop, moving the production facilities to Edinburg, Texas becoming the "Magic of Viking Magic Co. and Collector's Workshop".