Components from electromechanical games manufactured before the solid-state era of the mid-1970s typically comprise these collections. Examples include playfield plastics, score reels, flipper assemblies, and backglasses. These items range from common replacements like rubber rings and light bulbs to rare and highly sought-after items like complete backglass assemblies or unique playfield mechanisms.
Preserving these components contributes significantly to maintaining the historical record of pinball machine development. Restoration using original components ensures the authenticity and value of these machines. Furthermore, the availability of these items allows collectors and enthusiasts to keep these classic games functional and enjoyable, extending their lifespan and preventing their loss to time and neglect. The continued use and maintenance of these machines contribute to a thriving community dedicated to appreciating the artistry and engineering of a bygone era.