Make the world a happier place by Smiling! Smiling!: (1): The purest expression of happiness. (2): has the ability to regulate our blood pressure, strengthen our immune system, lower the risk of cancer, increase our life by seven years, and provide inner peace and satisfaction.(3): The good news is that it doesn’t cost a thing, yet unfortunately, an average adult smiles only 20 times a day. (4): These happy face balls are irresistible and will squeeze a smile out of anybody. These 2.5" squeeze balls, some of the best stress balls in the world, are spongy and bouncy, and feature a wide smiley face. (5): For ages 3+. These squishy smiley stress balls make a perfect Party favor, goody bag filler, halloween trick or treat candy alternative and christmas stocking stuffer.