In my childhood, I took 2 magnets and stick both sides of the metre box. Just a guess the metre box rotate as slowly. I think he also doing this method
In my childhood, I took 2 magnets and stick both sides of the metre box. Just a guess the metre box rotate as slowly. I think he also doing this method
In my childhood, I took 2 magnets and stick both sides of the metre box. Just a guess the metre box rotate as slowly. I think he also doing this method