Product Description: The acoustic telephone helps children recognise how air conducts sound waves. The curve sound tube demonstrates how sound can travel around corners. The phenomena of sound, especially when combines with human speech, enhances playful experiments with the human sense of hearing, especially in children and teenagers.
Code: 0-36120-000
Material: Stainless Steel, Hot dipped powder coated and stove enamelled galvanised steel
Age Group: All ages