Very common types of electric motor are DC motors and they are used in many types of electronic devices and for many uses. Electric motors operate because of a constantly changing magnetic field between stationary and rotating magnets and brushed DC motors are made up of a rotating electromagnetic made out of copper coil that is surrounded by permanent electromagnets.
Here are some link to tutorials and videos on how to build your very own DC motor made from some very simple materials that you should be able to pick up very cheaply from your local DIY store.
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