Required Material- 1. PVC Pipe 9cm 2. 28AWG Copper Wire https://www.flyrobo.in/0.1mm-copper-s... 3. 2N2222 Transistor- https://www.flyrobo.in/2n2222-switchi... 4. 2.2k ohm Resistor 5. 9v Battery and Connector 6. ON OFF Switch etc.