Features: Inspiring toddler mind with our Children Drum Membrane Model, help kids understand the principle of sound propagation through hands on learning. This easy to assemble drum membrane model is crafted from pp, safe for children to use, providing clearly demonstration of sound wavings vibrations. Suitable for children, toddler and preschooler aged 6 and above, this educational sound transmission demonstration tool could be used with guidance from parent or teacher, making it great for both home schooling and classroom environment. Enhancing your child's learning experience during science experiment, parent child interactive activity, or school science exhibition with this teaching aid. Elevating educational moment by integrating this physical science experiment set into your curriculum, ensuring fun and engaging way to explore the wonders of sound. Specifications: Color: White Blue Component: PP Size: Approx. 13x6x9cm/5.11x2.36x3.54in Weight: Approx. 64g Package Includes: 1Piece Educational Drum Membrane Model note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color