Capture students attention as they learn firsthand the impact of water on the development of land formations. Stream table allows the class to create actual streams lakes and related landforms. Stream cutoffs piracy deltas beaches land erosion and many other phenomena can be modeled. High impact 26 W x 66 L x 6 D plastic stream table is virtually unbreakable and easy to clean. Once water and sand are added the unit is completely self-contained. Two separate stream flows provide for simultaneous study of separate streams. Flow rates and water levels are easily controlled. Table only w/pump.