Educational sand and water table

Details Educational sand and water table Educational sand and water table

1997-11-05

1999-10-26

Ricci, John A.

Education and demonstration

Fluid flow or wave motion

434130, 434151, G09B 2508

Patent

active

059717645

ABSTRACT:
The invention comprises a container having sidewalls and a bottom; a rigid cover having integrally molded or detachable features simulating natural or manmade topographical features such as riverbeds, mountains, islands, whirlpools, and various rock and stone shapes. In accordance with the invention, the cover is detachably secured to the sidewalls of the container.

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