How to make mini rice/wheat thresher machine from cardboard - Science project working model

Hello guys! In this video I will show you how to make mini rice/wheat thresher machine from cardboard at home. you can make it easily at home from cardboard and dc motor . Make this innovative science project for your science exhibition. Hope you enjoy my video and if you like my video. Do not forget! Click to Like , Share, Subscribe and ring the bell.👍💓🔔 @Experthand science project ideas from cardboard school science project science innovative project how to make rice thresher machine how to make wheat thresher machine dc motor science project #experthand #scinceproject #diy #cardboardcreations #cardboardproject