When the pressure builds at work, there’s only one thing to do: take control, press the button on the hand-held unit, and launch the Stress Express helicopter from your seat. Your spirits will soar and your stress level drop as you watch the minicopter take a gentle glide around you. Helicopter blade measures 5” in diameter, the hand-held launcher measures 5” in height. Requires 4 “AA” batteries, not included.