This AC generator kit is designed to teach the basics of AC generator design and function. Includes windings with removable iron cores, Separate induction coil with removable coil and magnetic needle and field table. Clear acrylic design and simple construction allow students to grasp the principles of AC generator function and design. 4mm banana jacks and plugs facilitate quick connections. Click on the product photo for a close-up image of included components. Comes complete with all wires and accessories shown.