Mid-century educational physics set produced by the A.C. Gilbert Company, featuring an assortment of instruments and components for experiments involving light and optics, fluids and dynamics, air and water pressure, and additional scientific principles. Retains its original box, measuring approximately 2 1/2 in. H x 13 1/4 in. W x 20 1/2 in. D. Some surface wear to packaging and evidence of vintage play throughout.