This STEM sound experiments kit is designed to make learning about sound propagation fun and interactive. The kit includes everything needed to conduct experiments that demonstrate how sound waves travel through different materials. It encourages hands-on learning and helps children develop a deeper understanding of scientific principles through practical experimentation. Features -Color:Multi -Material:Plastic -Size:20.00X8.00X8.00cm/7.86X3.14X3.14in -Sound propagation : teach children about the of sound in a vacuum, making complex concepts accessible and engaging - : encourage a love for science and technology with a toy designed to educate and inspire -Interactive diy: enhance creativity and problem-solving skills with a hands-on kit that children can assemble themselves -Interactive toy: strengthen family bonds through collaborative learning and shared scientific experiences -instructive present: a ideal present that combines fun with instructive value, ideal for nurturing curiosity and knowledge in children Package list: 1 x set of sound experiment