The discussion centers on finding a hobby or educational store in Mississauga, Ontario, that sells items for physics demonstrations, particularly gyroscopes. Participants suggest EftonScience, previously known as Edmund Scientific Company, as a reliable source, although it is based in New Jersey. They mention the possibility of finding science-related stores in malls, such as the Discovery Channel store and a science shop, though experiences vary regarding their availability and stock. Some contributors share personal anecdotes about visiting Edmund's store and its offerings, including optics and science project materials. There is also mention of a store in Southgate Mall that may carry chemistry equipment and other science-related items. Overall, the conversation highlights the challenges of locating specific educational resources locally while sharing insights about various stores and their reputations.