The experiment box can perform various physical and electrical experiments, effectively stimulating the interest of learning and exploration The electromagnetic experiment sycan be used to construct a series of projects, including series circuit, parallel circuit, fruit battery, unknown resistance Ohm's law measurement, Ohm experiment, etc. Through the learning of basic electromagnetic experiments, understand the basic principles, help children learn, think, explore, and can stimulate children's interest in learning, and quickly master theoretical knowledge This experimental toy set includes everything you need to get started, so that elementary and middle school students have the opportunity to build a simple electromagnetic model by themselves We are committed to providing each customer with the best customer service and the best shopping experience. If you have any questions about this product, you can write to us and we will solve your problem as soon as possible