With this trick, you'll put a new spin on our famous Density Column demonstration. First, we'll teach you how to make layers of liquid sit on top of each other. This density demonstration looks cool, but what if you could make different objects float in the middle of those cool looking liquids? You'll impress yourself and your friends with what you can do with your Density Tower. - See more at: http://www.stevespanglerscience.com/lab/experiments/density-tower-magic-with-science#sthash.qExgrs7M.dpuf