Description Do you want your students or children to know more clearly electromagnetics intuitively?Then, you must not miss our electromagnetics experimental square coil set.Made of plastic material, they are high-quality and durable. Easy to operate, teachers and students are available. Features -Color: As Shown -Material:Plastic -Size: Approx.7.50X7.50X1.50cm /2.95X2.95X0.59in - Perfect experimental equipment for showing the phenomenon of electromagnetics orelectromagnetic induction. -The operation is very simple, whether it is a teacher, a parent or individual students can use it. -It is interesting and allows students to better understand electromagnetics in intuitive demonstrations and interesting experiments. -A simple and practical teaching and experiment equipment in middle schools. -High-quality material and fine craftsmanship, durable and sturdy for a long time. Package list: 1 x Set of Square Coil