How to make a Simple Pump 2

Step 1
You need a scissors a bottle and a coin and a tape and you need a lid.

Step 2
After that you have to make get the lid and make a hole on it.

Step 3
Now you have to put the coin in the lid.

Step 4
Now make a hole on half of the bottle.

Step 5
Now put the bottle onto the water.

Step 6
Now and then squeeze the bottle.