26 more bizarre vintage classroom posters

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When I said I'd trade you my comic book for a dime, this isn't what I meant.
In case you didn't get enough weirdness from our first round-up of bizarre vintage school posters, we found more mind-boggling classroom artwork. Can you make heads or tails of these?

Want to see more weird classroom posters? Check out Bizarre classroom posters from the '70s: Here's why your parents are so f*cked up and Bizarre classroom posters from the '70s, Part 2: Filling in the (very strange) blanks.