Complex ocean water circulation patterns
become clear with our easy-to-observe
working model. Run warm water,
representing equatorial water, and cold
“polar” water together to re-create density
currents that circulate vertically. It comes
with two clear plastic tubes, two clear
plastic connecting tubes, two clear plastic
containers, food coloring, salt, and a
user’s guide. Tube size: 1 1/2” dia. x 12”L;
connecting tube size: 1/2” dia. x 8 1/4”L;
container size: 3 7/8” cube.