Wonders of the Wizarding World Foundables on this Registry Page 15 Platform 9 3/4 Sign Rarity: 6 out of 16 8 Hogwarts Express Engine Rarity: 6 out of 16 8 Foe-Glass Rarity: 3 out of 16 4 Baby Mandrake Rarity: 3 out of 16 15 Giant's Helm Rarity: 2 out of 16