Invention on Instagram: "Portable gambling devices like this 1930s French model were compact mechanical games designed to deliver quick chance based outcomes in cafes and pubs. The beads were permanently housed inside the unit, resting in small channels until a player initiated a spin with the perimeter lever. Once set in motion, they bounced and slid through the internal paths before settling into marked slots that revealed wins or losses. Their simple mechanics, small size, and instant results