project1.. making a simple microscope using plastic bottle/zim rural schools

science teachers in zimbabwe can use this technique, instead, to replace a microscope, u can use a smart phone... and many other models below including a plastic cooking oil bottle.
how to make a simple microscope using an empty plastic bottle of drinking water. ..this is also good for zimbabwe uppertop schools for children to observe the microscopic world in a very cheap way... 

also you can use old webcams to make a microscope.. model 

also you can use the mobile phone to make a microscope. model