Specifications: Learn basic electricity and magnetism experiments through full-color manuals, understand the basic principles, and help children learn, think and explore. The basic electricity and magnetism experiments kit includes everything that you need to get started, provides a hands-on opportunity for students in grades 7-11 to build simple electrical and magnetic models This electricity and magnetism experiment stem kit can build projects: Series circuits, parallel circuits. Type: Physics Experiment Kits Material: Plastic Suitable Ages: 7-14 Years Old Features: Portable, Durable, Easy to Use Box Size: 24cm x 14cm x 6cm/9.45" x 5.51" x 2.36" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Ammeter 1 x Voltmeter 1 x Slide Rheostat 1 x Luminous Diode 1 x Single-throw Switch 1 x Double-throw Switch 1 x Battery Relay 3 x Light Bulb Holder 1 x Battery Box 1 x Open Motor 1 x Constant Value Resistor 1 x Electromagnet 4 x Light Bulbs 1 x Wrench 1 x Iron Powder Box 4 x Zinc Copper Sheets 10 x Wires 2 x Diode Bulbs 4 x AA Batteries 1 x Compass 1 x Screwdriver 1 x U Magnet 1 x Magnetic Trolley