Those pull-down charts that hung above blackboards in mid-century classrooms are back in style. Originals of solar systems or botanicals are in demand. Beware, vintage versions can set you back. But reproductions are available too. And FYI, a foreign language is very cool.(Above: Vintage phases of the moon, in German, early 1960s via Mighty Vintage.)
Five top online shops for vintage pull-down charts, here.