Featuring educational design, this model toy helps children develop an interest in science, enhance intellectual abilities, foster innovative thinking, and improve hands-on skills. Its multifunctional design supports the development of children's cognitive abilities and interests. It encourages learning through DIY projects, allowing children to understand abstract scientific concepts via assembly and disassembly activities.Made from plastic and electronic components, the product is safe and environmentally friendly.Item Name: Science Experiment Electromagnet Material: Plastic, Electronic Components Battery: 2 x AA Batteries (Not Included) Recommended Age: 5 Years and Up Features: Safe, Reliable, Creative Product Dimensions: Battery Box: 5.5cm x 3.2cm / 2.17" x 1.26" (Approx.) Switch: 4cm x 2cm / 1.57" x 0.79" (Approx.) Iron Nail Length: 6cm / 2.36" (Approx.)Ideal for use at school, at home, or as a teaching aid.Working Principle: When the coil is energized, the iron core inside becomes magnetized due to the magnetic field generated by the current. The magnetized core acts as a magnet, strengthening the overall magnetic effect through the combination of both magnetic fields.Package Includes: 1 x Set of Science Experiment Electromagnet (Includes Battery Box, Switch, Sandpaper, Wire, Small Iron Piece, Compass, Enameled Wire, Iron Nail)Note: Due to differences in lighting and screen settings, the item color may vary slightly from the images. Slight variations in dimensions may occur due to manual measurement.