Red Star Ring (Sonic Boom)

The Red Star Ring is a object it's found in Sonic Dash 2: Sonic Boom. They can evolve and buy new characters, or revive.

Sonic Dash 2: Sonic Boom
In Sonic Dash 2: Sonic Boom, the Red Star Rings can be found in the race, or can be bought in the store, with real money. Thay can evolve or buy all characters (except Sonic). In the race, when the character dies, it can be revived with the Red Star Ring, costing one at the beginning, and will be doubling the more revived.