What science based sets were sold at the department store headquarted in Washington D.C. and founded in 1887?
Porter Chemical Company Porter Chemical Company was an American toy manufacturer that developed and produced chemistry sets aimed as educational toys for aspiring junior scientists. The company's "Chemcraft" kits were first sold at major retail by Woodward & Lothrop, and appeared soon after at other retailers in the country. The company would later form a relationship with the Lionel Corporation, famed American maker of toy trains. The company also made the "Microcraft" line of microscope sets. The "Chemcraft" and "Microcraft" line competed with similar sets offered by A. C. Gilbert Company as part of a boom in science educational toys spurred by the Space Race between the US and USSR in the late 1950s.
S. S. Kresge Sebastian Spering Kresge (July 31, 1867 – October 18, 1966), was an American businessman. He created and owned two chains of department stores, the S. S. Kresge Company, one of the 20th century's largest discount retail organizations, and the Kresge-Newark traditional department store chain. The discounter was renamed the Kmart Corporation in 1977, and evolved into today's Sears Holdings Corporation, parent of Kmart and Sears.