This easy-to-assemble drum membrane model is made from polypropylene (PP), safe for children, and provides a clear visual demonstration of sound wave vibrations. Key benefits - Child-friendly PP construction that is safe for use by kids - Quick, simple assembly to start demonstrations without delay - Visual, easy-to-understand portrayal of how sound waves cause membrane vibrations - A versatile educational tool for science experiments, interactive parent-child activities, and school science displays - Easy to integrate into lesson plans to make the study of sound fun and engaging - Supports early learning by helping children grasp the concept of sound propagation through hands-on exploration Product attributes - Material: polypropylene (PP) - Function: visual drum membrane model to illustrate sound wave vibrations - Design: easy to mount, compact, and suitable for desks and demonstrations - Performance: reliable, repeatable demonstrations of acoustic principles Use scenarios - Classroom demonstration: use during physics or acoustics lessons to show how membrane vibrations relate to sound components, with opportunities to vary tension or input to observe changes - Home learning activity: a hands-on science session with a parent or guardian to explore how sound travels and how membranes respond - School science fair or exhibit: an interactive display that invites students and visitors to observe and discuss the mechanics of sound propagation This drum membrane model delivers a straightforward, educational experience that reinforces core sound concepts while fitting seamlessly into classroom, home, and exhibit environments.