The dictaphone

Wendy panicked as she didn't expect her now giant sister to react this fast. She guessed Vanessa would freeze in shock and beg but... no. Wendy was already under the shadow of her titanic hand, the crowd around her fleeing in panic and leaving her alone.

Panicked, and knowing she just had to record something to make it true and stop this madness, she clicked the record button and just before the giant hand closed on her, she managed to record :

"Vanessa's size is normal and nobody remembers about what happened!"

The giant hand froze at the last second, Vanessa's palm just a few inches from Wendy's nose...