1.The Angry Birds Puffer Ball - 4.1 inch.
2.This over-sized stress ball is filled with air and has soft rubber spikes that feel great in your hand.
3.You can squeeze the Puffer Ball, play toss and catch, or roll it around on your desk.
4.For even more fun, put a finger or two through the rubber loop and bounce it against the palm of your hand.
5.One flash mode:red and blue double flash.