सिर्फ डीसी मोटर एचडब्ल्यू बैटरी और वायर से साइंस प्रोजेक्ट बताए उसमें गल्यू गन या कार्ड बोर्ड नही होना चाहिए
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what is this?
plz give respect to take respect...
Answer:
and your answer is here
( search useful idea with Battery and DC motor on YouTube)
and also a thing you can't make a science project just from DC motor and HW battery...
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