The Starling – Child’s Wearable Boost IQ is a smart little device that tracks the number of words your child says and hears each day. You have to paired Starling with its smartphone app and then the Starling not only gives you personalized information and analytics for your child, but it also suggests activities to help make sure your little one is on track to reach for the stars. Over 30 years of research has proven that it’s critical to talk to children during this period of rapid brain growth and development. The Starling clips to your little one’s clothes first thing in the morning and stays there until bedtime when you can pop it back into its charging dock. At any time, simply pressing the Starling’s button will let you know if you’ve hit your daily target yet, with a blinking red or green light.