Understanding the Principles of the electromagnet in a DIY project for kids Launching a DIY project for kids involving electrical science demands a deep grasp of how a solenoid works. By incorporating the hardware within student experiments, young learners can discover the world of fields that drive the mechanical world. https://buildbasicsbby.wssblogs.com/39936095/how-to-build-a-simple-speaker-using-an-electromagnet