EDU-7094
VISION KIT

Stock Number:
3557-NL1

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A simple explanation of how the eye works. Activities that demonstrate some of the eye's functions. A precision-made piece of optical eye testing euipment to test the eyes for normal sight, short-sightedness and long-sightedness. Eye testing chart included....More

EDU-7092
BREATH KIT

Stock Number:
3557-NL2

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Activities show how the lungs work. Explanation of how to check the volume of air intake into your own lungs. A precision made air flow meter that can check your own intake of air and check if you are within the normal range. * All about your breathing system * Ages 8+...More