Stir together yogurt and pudding in medium bowl until blended. Fold in Reddi-wip. Place about 8 cake pieces each in 8 small jars or glasses. Top each with 2 tablespoons pudding mixture and 6 berries. Repeat cake and pudding mixture layers. Cover; refrigerate at least 2 hours. Top with additional Reddi-wip and remaining berries just before serving.