“What are these small brass caps I found neatly tucked into a case while cleaning out an old persons flat?”

While modern entertainment now centers on high-definition screens and digital effects, these small attachments remain a nostalgic reminder of hands-on fun. Variations are still available online, sometimes paired with updated laser devices. Whether remembered fondly or discovered for the first time, they illustrate how a basic beam of light and a creative lens can turn an ordinary moment into an imaginative experience.