🎵【Discover how speakers work】This DIY Bluetooth Speaker allows you to discover how speakers work while building your own. It is easy to assemble and enables kids to explore the world of sound, music and speakers through hands-on activities. Fun and entertaining,It will never go out of style! 🎵【Easy to Assemble】No soldering iron, Our Kits include laser-cut wooden components,2pcs Subwoofer 2 inch 4ohm 3w Full Range Speaker,Dual Channel Bluetooth Amplifier Board,clear&simple instructions, It needs to be powered by 4 batteries (not include) when using, and it can be connected to the mobile phone or computer. 🎵【DIY Bluetooth Speaker Kit to Build】This product has the latest version, and you can achieve high-quality stereo surround.If you like to DIY,this music speaker kit was the one which you cannot miss! 🎵【Perfect Holiday Gift】Perform rewarding science experiments with your family or friends. Perfect Gift for kids ages 7 8 9 10 11 12 13 14 teens.Safety tested, all wooden blocks are made of real wood without chemical finishing. Non-toxic and non-irritating it creates a safe entertainment environment. 🎵【NO QUESTION ASKED BEFORE RETURN】Our policy is to make our customers happy. If you are not 100% satisfied, just contact our customer service, we will refund your money. BUY NOW with confidence!