The children's physics circuit experiment set is a great way to introduce children to the world of electronics and circuitry. It provides a hands-on learning experience that can help children develop critical thinking skills and problem-solving abilities. The set is also a fun and engaging way to learn about science and technology. Features -Color:Black -Material:ABS, metal -Size:10.00X3.50X3.00cm/3.93X1.38X1.18in -Note: this set contains 5/10/15 resistor prop. -The resistance values are 5 ohms, 10 ohms, 15 ohms respectively. These resistors can be used as resistors or combined to create other resistance values. -Spring-loaded terminal blocks allow easy connection and disconnection of resistors for efficient experimentation and learning. -This product is ideal for use in electrical experiments and teaching demonstrations, providing students with a hands-on way to learn about circuits and resistance. -This product has user-friendly design and learning value, suitable for use in classrooms and science laboratories. -Whether you are a student or a teacher, this set of fixed resistors is a valuable tool for exploring the principles of electricity and circuits. Package list: 1 x resistor(5 ohm) 1 x resistor(10 ohm) 1 x resistor(15 ohm)