Show your emotions by launching across the room or simply twirl it around your finger, Color Changing Emotions Emoji Faces Puffer Squishy Balls are crazy fun!To activate your Color Changing Emotions Emoji Faces Puffer Squishy Ball, shake or hit it for 1 function - Timed flashing for 13 seconds. Emoji Faces Puffer Balls come ready to use with non-replaceable batteries. Specifications: Diameter: 3" LED Colors: Red & Blue