Small Child to Rat (incantation unknown) was a Transforming spell that turned a small child into a rat. This spell was covered in the Transfiguration course at Hogwarts School of Witchcraft and Wizardry. The wand movement consisted of waving the wand once.
- Harry Potter and the Philosopher's Stone (film) (First mentioned) (Mentioned on chalkboard)
Notes and references
- Harry Potter and the Philosopher's Stone (film) - Chapter 26 (Up to Something)