The Ooze Tube is a bright colored, slow-moving desk top toy. Part kinetic sculpture, part decoration, the Ooze Tube is filled with a clear, viscous liquid that flows from one half of the tube to the other through a small hole in the middle while bubbles form in the liquid above.  When all of the ooze has run out, simply flip it over and start again.
— “We do really well on ... things that flip over, like Ooze Tubes. With oozie things like that, that there's a degree of mesmerization,” said Anna Barr, owner of Anna's Toy Depot in Austin, Texas, when asked about her best-selling novelty items in September 2010.