Discover how speakers work: This DIY Bluetooth Speaker allows you to explore speaker functionality while building your own. It is easy to assemble and enables children to learn about sound and music through hands-on activities. Fun and engaging, it offers lasting appeal. This is a well-designed speaker that is enjoyable to build and visually appealing when completed. It serves both as an educational kit and a decorative item. Build your own Bluetooth speaker — a rewarding and engaging project. DIY Bluetooth Speaker Kit: This updated kit delivers high-quality stereo sound. Ideal for those who enjoy hands-on building projects. Suitable for holidays and family learning: Conduct science-based activities with family or friends. Recommended for children ages 7 to 14. Safety tested. All wooden components are made from natural wood without chemical finishes. Non-toxic and non-irritating, providing a safe experience. Product is unassembled. Powered by four AA batteries (batteries not included). Color: As shown in photo Material: Wood Package Contents: 6 x wood board 2 x speaker (random color: black or silver) 1 x Bluetooth module 1 x battery box 1 x switch 1 x terminal line combination 1 x short screw set 1 x long screw set Note: Color may vary slightly due to screen settings and lighting conditions. Measurement tolerance: ±1–3 cm.