Hubbard Scientific Sight and Sound Health Lab - Camcorders Wholesale Lot of 45 Sets

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Hubbard Scientific Sight and Sound Health Lab - Camcorders Wholesale Lot of 45 SetsSpecially designed equipment helps students investigate the structure and function of two important senses: sight and sound Topics include learning how a lens affects vision measuring field of vision and capturing sound waves Kit contains vision disk pinhole viewer lenses eye chart masks flashlight rubber balls extensive packet of activities Teachers Guide Vision Disk Students can mearsure field of vision reading field and peripheral vision using this