How to make a toy butterfly which can flap its wings

How to make a toy butterfly which can flap its wings
  Saurav Chakraborty
192   6349  

This is a simple toy butterfly. It can flap its wings. The step by step instructions are given on how to make it. Inside it , there are, a small DC motor, two AA batteries and one easy to make astable multivibtator circuit.

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How  Make  Butterfly  


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