You want to use a tall, skinny glass
Step 1: The First Layer
For the first (bottom) layer of the tower, put 2 tablespoons of Karo Corn Syrup
Step 2: The Second Layer
Now, you want to put in 2 tablespoons of milk, and add food coloring mixed with water.
Step 3: The Third Layer
Lastly, add two tablespoons of olive oil, and drop in an ice cube
Step 4: Enjoy!
Show off your cool new 3 layer density tower