Description Circuit wire 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.these are great for demos and project. Easy to use and great learning tool for kids. Features - Color: Random color. - Material: Copper wire. - Size: 40.00X1.50X0.20cm/15.72X0.59X0.08 inch. - Made of high-quality material, which can withstand the lasting use. - This interconnect circuit wire can be widely used as the teaching tool, laboratory equipment and experiment equipment for interest development. - The product can actively cultivate students' observation and learning ability, practical ability, imagination, etc. - 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. - Professional and practical design with beautiful appearance, easy to carry and use. Made of high-quality material, which can withstand the lasting use. This interconnect circuit wire can be widely used as the teaching tool, laboratory equipment and experiment equipment for interest development. The product can actively cultivate students' observation and learning ability, practical ability, imagination, etc. 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. Professional and practical design with beautiful appearance, easy to carry and use.