Sheds can be small open-sided tin-roofed structures, used for recreational activities.
A hobby is a regular activity that is done for enjoyment , typically during one 's leisure time . Hobbyists are a part of a wider group of people engaged in leisure pursuits where the boundaries of each group overlap to some extent . A shed is typically a simple , single-storey roofed structure in a back garden or on an allotment that is used for storage , hobbies , or as a workshop . Sheds vary considerably in the complexity of their construction and their size , from small open-sided tin-roofed structures to large wood-framed sheds with shingled roofs , windows , and electrical outlets .