Hand-held or submerged seascape model teaches students about sea floor topography, sea floor currents, and plate tectonics. 
 
When submerged in a 10-gal. tank (not included), the model can simulate current movements with colored dye (not included) and create volcanic eruption bubbles with the use of an air pump (not included). 
 
Kit includes: sea floor model (19 in. L x 9 in. W x 6 in. H), air bubble lines with connectors, suction cups, profile-vocabulary decals, and teacher’s guide with four classroom activities.