Bubble making fun

For our science lesson the children wanted to do an experiment. So we decided to try to make bubbles and something to blow them with. After hours of internet searching, I came up with this project. The children just loved it.
Bubble Blower
1 empty water bottle (any size)
1 old sock (any size)
1 rubber band
dishwashing liquid
water

Cut out the bottom of the water bottle, remove the plastic lid from the top and discard. (Or save like I do, for future projects :) put the toe part of the sock over the open end of the water bottle. Secure with the rubber band. Mix a small amount of dishwashing liquid, about 4 tbs to 1/2 cup water in a bowl. Dip the sock end into the liquid. Remove and blow away. Kids were so excited. They guessed that they would have small single bubbles, not a long strand of small ones linked together. It was awesome and so cool. :)