Bicycle Horn, Outfit your bike or scooter in style! Clear the way with a heck of a honk by squeezing the rubber ball on the Bike Horn. It makes an unmistakable noise that lets everyone know you're coming! The Bike Horn easily fastens to any bike's handle bars with an adjustable clip. Measures 8" x 2.37" x 2.37" Ages over 3 years. WARNING: CHOKING HAZARD Small parts. Not for children under 3 yrs.