【Drumming On The Way】Our kids drum set is built-in rechargeable battery,powered by 5V 2A adaptor (not include), lasting up to 10 hours play per charge, The roll-up silicone electronic drums ...

Do you know whatit makes me think of? What? FRAN: That we should actually explain how these drums work. Good idea. Drums have been aroundfor a long long time and they were often used in war.