Circuit wire this is great for home school making and breaking a single circuit experiments. Good for teaching basic principles of electricity and how a simple .These are great for demos and project. Easy to use and great learning tool for kids. I think practicing on an education model would definitely good for any student. Features -Color:As shown -Material:PVC, copper -Size:100.00X1.20X0.80cm/39.30X0.47X0.31in -The test leads kit excellent tensile strength and bending resistance, low resistance, electrical conductivity, it is good helper for electricians and electronic product repairers. -We use nice materials ensures that the test leads are durable, flexible, and resistant to freezing and heat. -This is great for home school making and breaking a single circuit experiments. -Practicing on an education model would definitely beneficial any student. -Of course that while this does teach them how electricity works, you have to make sure to teach them not to play with actual electrical equipment around the house. Package list: 2 lines