You will find in time that the oil in this project will separate and the jar will look more like a wave.
What you need
Baby Food Jars
Blue Food Colouring
Fill your Baby Food Jar halfway with warm water.
Then fill the remainder of the jar with Corn Oil.
Then add two drops of Food Coloring.
Screw on the lid tight and shake until it mixes.
Wait for the oil to separate. And voila! The jar looks like a wave!