Gum Drops

Gum Drops are a pre-War confection, found in small boxes around the wastelands.

Fallout 3 and New Vegas
Gum drops are small drops of congealed gelatin. In Fallout 3, gumdrops are considerably rare and are considered a collectible item.

Fallout 4 and 76
In Fallout 4 and Fallout 76, gum drops are more common, found in many storefronts and homes.