Exploding Cauldrons are used to explode objects.
In 1994 they were used by Bartemius Crouch Junior whilst training the Trio on Hogwarts exterior, which could be used to destroy walls. In 1996 they were placed around Hogwarts by Fred and George Weasley.
Behind the scenes
- They were most likely products sold at Weasleys' Wizard Wheezes.
- Harry Potter and the Goblet of Fire (video game) (First appearance)
- Harry Potter and the Half-Blood Prince (video game)