Developmental Learning Materials Large Parquetry Design Set bowl with face I really have no idea

I really have no idea

but it does not seem to snap closed tightly (not sure if it ever did

with a little crinkling/bending to the brass in one area toward the middle and some greening around the "F"

a jacket pocket

and at once subtle and attention getting

Developmental Learning Materials Large Parquetry Design Set bowl with face I really have no ideaI've always got an eye out for vintage DLM (Developmental Learning Materials) sets produced in the 60s and 70s for use in schools; the products produced by the Niles, Illinois company were thoughtful and smart, and the graphics really great, often making them as much design objects as teaching tools. This blocks in this large parquetry set are indeed large making them great for small hands to play around with, as well as old ones! The box includes 4