The term 'Campanelli' only refers to 'little bells' In the actual ballet itself, a set of bells would be played or maybe a carillon will work. In rehearsal mark '98', the campanelli would refer to either of those. In rehearsal mark '101', the glockenspiel will to theplay those fast crotchets. In rehearsal mark '118', the campanelli is seen again, but the crotchets would be recommended to be played by the glockenspiel.