"Eight Wildly Irresponsible Vintage Toys"
Those darn chemistry sets! I had a couple of them. Neither one had the chemical that I wanted . . . Potassium Nitrate!
when I was a kid, they sold saltpeter at the drug store... open shelf... K2N*10H2O. a little light cooking out and it's dehydrated. a little charcoal, a little sulfur, and it kept one of my friends busy for hours. nowdays, doctor hands you a prescription, you might only be able to fill it at the hospital pharmacy.