<br>This classic novelty is a scientific wonder, using the properties of thermodynamics to keep it in constant bobbing motion. This Original retro novelty toy is a great science marvel and very interesting to watch perpetual motion. Dunking his head and getting it wet is his favorite thing to do all day.**<ul><li>Classic novelty toy</li><li>Stays constantly bobbing up and down</li><li>Perpetual motion for perpetual fun</li><li>Recommended for children 8 and up</li></ul><br>
