See-Thru Robot by Salco Hong Kong. - Plastic battery op robot with transparent head and visible gears. Multicolored. It takes two D-cell batteries. Despite its similarity to the other Salco Cragstan group of plastic robots this does not come from the same molds: the limbs are appreciably thinner and there are many other differences. See-thru This robot first appears in Eaton's Christmas Catalog for 1973.