DIY Bluetooth Speaker Box Kit Electronic Sound - Build Your Own

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! 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 diy cardboard bluetooth speaker bluetooth 5.1 battery option: 300mah playtime: 1.5~3hrs recharge: 1-3hrs ≥75db 100hz-20khz 2.4ghz transmit distance: 10m