* CLICK ON VIDEO TAB ABOVE FOR DEMONSTRATION *
Liquid in a glass visibly diminishes from a full glass to a fraction of the original contents. You can ‘pour’ a glass of liquid into a paper cone, from where it vanishes! Or hold the glass at arms length, and place a drining straw in your mouth, and as you suck through the straw, the liquid in the glass VISIBLY diminishes! Made of plastic. The glass opens for easy cleaning. Glass is 5" tall and 3" diameter.
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