MATERIALS:
-One cristal bottle
-Cotton balls
-Food colouring (Purple, blue, pink..)
-Water
-A wooden stick
-Glitter
STEPS:
1st: Put two or three fingers of water
2nd: Add enough cotton to cover the water.
3rd: Add enough food colouring for all the cotton balls.
4th: Put some glitter and mix everything.
5th: Repeat everything until you fill the bottle.