The interiors of these bowls were all white. It was the outside that came in opal blue, red, green and yellow. One vintage ad from 1955 promotes this Pyrex Ware Color Bowl Set as the perfect gift ...

Seller Twinkltoast on Etsy has the cutest Miniature Pyrex Mixing Bowl Stack Ornaments that you can pick up for $30 each. They come in a bunch of different vintage-inspired patterns that will look ...