Hour glass with round edges and fill with sunflower oil and butter until the butter begins to move through the region.
In glass dish, place an inverted glass, and it is a piece of glass with oil.
Take a glass rod, RUB her hair. Push it into the liquid. You will see how the oil will begin to move and will be in waves to rise. At the end of the experience, the wand will be covered with a number of small oil droplets, these droplets blown from glass electrostatic forces.