1) How to Make a Vacuum Cleaner using bottle - Easy Way
Please watch the complete video for step by step guide for making Vacuum cleaner
https://www.youtube.com/watch?v=jkQsBD5WtDo
2) How to make Steam Power Generator - a cool science project with easy way
Please watch the complete video for step by step process of making model.
https://www.youtube.com/watch?v=L3XAFSMdVWU
3) how to make water pump at home for...
