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Feature

Great gift for that budding mechanical engineer
Perfect for robotics projects
Two motors and gear sets allow wheels running in different directions
3 gear ratios and outputs to choose from
Quality construction - no soldering required

Description

My Health Vision Kit; From the Manufacturer; This kit gives a simple clear explanation of how the eye works. It includes activities that demonstrate some of the eye's functions. Included is a precision-made piece of optical eye testing equipment to test the eyes for normal sight, short-sightedness and long-sightedness. Eye testing chart included. From My Health Series.; See all Product Description.