This DIY Metal Detector Kit is a perfect blend of fun and education, designed to engage kids in science, technology, engineering, and mathematics (STEM). Material & Safety: Made from eco-friendly wood and coated with non- waterborne paint, ensuring a safe learning environment. Educational Benefits: Enhances children's curiosity and knowledge in physics, chemistry, and mathematics. Promotes innovative thinking and improves hands-on skills. Target Audience: Ideal for children looking to explore science and technology, and for educators seeking a practical teaching aid. This is a DIY kit; assembly required by yourself. Power Supply:3 x AA battery (Not included batteries) Color:Wood Color Material:Wood + Electronic Components Package Contents: 1 * DIY Metal Detector kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.