Learning Resources Express Your Feelings Sensory Bottles Opposites. Expand the social emotional learning of our best-selling Express Your Feelings Sensory Bottles with the new opposites bottles. Add the Calm and Overwhelmed bottles to Happy, Sad, Angry and Scared (sold separately as a set). Each bottle has a unique facial expression and colour, and the motion of its contents represent that feeling. The bottles can be used to help children communicate their feelings, or to self-manage their emotions. They are securely sealed and sized for little hands, and measure 11cm cm H x 5cm W. Packaging is multilingual. 2 Pieces (Ages 3+)