Pyrex, Primary Mixing Bowls (4 Bowls Only with Numbers

Pyrex Primary Colors Round Graduated Mixing Bowls - Set of Four – Memory Hole Vintage

Vintage Pyrex Primary Colors 4 Mixing Bowls 1940-60s Good Used - Ruby Lane

Set of Four Nesting Pyrex Blue Mixing Bowls – Portland Revibe

8-piece Mixing Bowl Set with Assorted Lids

Pyrex, Kitchen, Vintage Pyrex Primary Color Mixing Bowls Set Of 4 Yellow Green Red Blue

Pyrex Watercolor 4-Piece Mixing Bowl Set, Blue

All You Ever Wanted to Know About Lead in Vintage Pyrex Bowls

Vintage Pyrex Primary Color Mixing Bowl Full Numbered Set, 401, 402, 403, 404

Pyrex #404 Large Primary Yellow Mixing Bowl - Ruby Lane

Vintage Pyrex Flameglo Mixing Bowl - 4 Quart Size #404 circa 1974-1976 – In The Vintage Kitchen Shop

Vintage Pyrex Mixing Bowls, 1950s, Set of 4 for sale at Pamono

Pyrex, Primary Mixing Bowls (4 Bowls Only with Numbers)

Vintage Pyrex Primary Color Mixing Bowls, Set of 4, Yellow, Green, Red, Blue, Backstamp 1950-68, Pyrex Multi Color, Nesting Bowls

My grandmother's (now mine) set of Pyrex mixing bowls from the 1950s. : r/BuyItForLife