Circuit wire this is great for home school making and breaking a single electrical connection circuit experiments. Good for teaching basic principles of electricity and how a simple circuit works.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: Black and red. - Material: Copper. - Size: 40.00 x 1.50 x 0.50cm/ 15.72 x 0.59 x 0.20 inch. - This is great for home school making and breaking a single electrical connection circuit experiments. - Good for teaching basic principles of electricity and how a simple circuit works. - These are great for demos and project. Easy to use and great learning tool for kids. - 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.