Company: A.C. Gilbert Co.
Year: 1923

Given the staunch anti-nerd stance of so many children today, it is hard to believe that a chemistry set was ever a must-have Christmas gift. Oh, the set contained potassium permanganate which makes things catch fire, and ammonium nitrate, a known component in bomb-making? Now it all makes sense. The popularity of this set waned in the 1960s, when parents started raising pussies.