Tall Boys Tall Boys are a set of chimes tuned to the notes CDEGA. However the difference is that they are BIG! These chimes give a wonderful deep resonance when struck with your hand which can actually be felt and seen if you hold light objects such as a pencil against them. As the sound can be felt as well as heard, Talls Boys give a multi-sensory experience when combined with their shear size leave children inspired and excited. Tall Boys stand 2.4m tall (8 feet).