Did we call it or did we call it? Back in January, we predicted that people would start digging even deeper for unusual vintage classroom artwork, beyond alphabet friezes and numbers posters. The fresh bounty of esoteric classroom charts newly available at Three Potato Four proves this prediction right.
There's a selection to choose from (though all are one of a kind, so better act fast if you see something you like). A few of our favorites are pictured above, from left to right: