This DIY sound spread experiment kit is designed for learning fun, featuring user-friendly components that facilitate easy assembly and experimentation. With clear instructions, users can replicate various sound experiments, making it an excellent resource for both teachers and parents looking to inspire curiosity in physics and sound science. Features -Color:Multi -Material:Plastic -Size:12.00X4.00X4.00cm/4.72X1.57X1.57in -Size:11.00X8.00X8.00cm/4.32X3.14X3.14in -Interactive experience: children will conduct experiments that explore sound propagation, allowing them to witness scientific principles . -Critical thinking: the kit promotes critical thinking as kids analyze results and draw conclusions about sound behavior in different environments. -Safe and fun: all materials are safe for kids to use, making learning an enjoyable and good experience for both children and parents -Comprehensive learning: this science kit covers essential physics concepts, providing a solid foundation for future stem education -Group activity: ideal for classrooms or playdates, this kit encourages collaboration and teamwork as kids experiment together Package list: 1 x set of sound propagation stem kit