a man is attaching the magnet to the battery and keeps it on the table and take a copper circuit
the man talks about using the battery with a magnet in his research table
a man in a black shirt is doing an experiment with magnets and batteries
someone is explaining how to do an experiment using a aa battery and some wire
the man put the parts together to create a gadget
a man is attaaching two batteries together in order to complete an experiment
a main is experimenting something with battery and wire
a person is explaining about some electrical circuit with the help of battery and wire
this russian man is showing how to make something with a battery
man places magnet on negative side of aa battery and then places copper wire bent into a square on the positive side
a man is doing a experiment with a battery an magnet
a man holding a battery over a table with both of his hands
man is presenting his new tricks with two batteries
person is presenting his trick with two batteries
a man shows what is in a common double a battery
a man conducts an experiment with battery and magnet
a man is putting a magnetic together with a battery
a man is holding a battery and a magnet and puts them together at the negative side
a man made a copper frame doing experiment by sticking magnet with duracell battery
a person showing experiment on screen with the batteries