Wonders of the Wizarding World Foundables on this Registry Page 4 Self-Playing Harp Rarity: 3 out of 16 1 Dirigible Plum Rarity: 1 out of 16 1 Music Box Rarity: 1 out of 16 1 Crystal Ball Rarity: 1 out of 16 1 Quibbler Rarity: 1 out of 16