The golden objects that serve as Sonic’s health system in many games are Rings.
Rings are one of the defining mechanics of the Sonic the Hedgehog series. In most platform games, Sonic can take a hit while carrying at least one ring. The impact scatters the rings across the stage, giving the player a brief chance to recover some of them before they disappear. Without rings, a comparable hit usually costs a life or causes an immediate failure, depending on the game.
The system makes speed and risk central to Sonic’s design. Players can race through levels while collecting rings, but they must also avoid hazards that can knock away their supply. In many games, gathering 100 rings awards an extra life, adding another incentive to explore routes rather than simply rush to the goal.
Rings are not identical in function across the entire franchise. Some later titles use them as currency, ammunition, or a resource for restoring a health meter. That variation can cause confusion, but the classic role is clear: collectible golden rings act as Sonic’s protective health buffer.