Big Lot of 1907 U.S. Embossing Co Architectural Building Blocks 1930s dexterity puzzle These are being sold individually

These are being sold individually

of individuals and small groups

some remnants of which remain here and there

which furthers my sense this is Lakota

or scrub brushes

Big Lot of 1907 U.S. Embossing Co Architectural Building Blocks 1930s dexterity puzzle These are being sold individuallyA few decades before producing their now iconic Color Cubes, the U. S. Embossing Co, of Albany, NY, made these, in 1907 specifically, as is indicated on one block reading "Erected 1907," meant to serve as a cornerstone of sorts. I believe this is actually a few sets merged together, making a fantastic big lot poised for erecting all sorts of structures, in most cases with blocks featuring different patterns on each side (some of the green and white