These Color-Changing Harry Potter Face Masks Reveal the Marauder's Map When You Breathe The "magical" face masks by Colorado Pony Express are being restocked on May 29th By ...

A TikTok user created a Harry Potter face mask that reveals the Marauder's Map as you breathe into it. See the magical cloth face mask, and buy one for yourself here.

Yes, not the other way around. There is a Fantastic Beasts Easter egg in Harry Potter and the Prisoner of Azkaban. Did you spot it? Fret not, we'll explain.