You need balloons, play doh, and a permanent marker. Fill each balloon with Play Doh making sure you get out all air bubbles before tying it. Then draw faces on the balloons representing the emotions you and your child choose. Like I said, we chose angry and crazy, but we also added happy so that once she had control of the emotion, she could switch it out for the happy balloon before moving on.
Bonus: This activity is also a good way to work on fine motor skills (she rolled the play doh into snakes and put it in the small balloon opening) and is a good sensory activity as well. You can also make your own doh which uses math (measuring ingredients) and literacy (reading the directions).