C. 1890s J.L. Hammett Boston Frobel Kindergarten Blocks, Gift No. 4 setko puzzler but it could be treated

but it could be treated with a little scratch cover)

and then a later version of this one in color

Having lived and worked in downtown Kansas City for many years

true early set

6 5/8" in diameter and 2 5/8" tall

C. 1890s J.L. Hammett Boston Frobel Kindergarten Blocks, Gift No. 4 setko puzzler but it could be treatedI've had a couple of sets of very early Milton Bradley Froebel kindergarten blocks in the shop, but this is the first set I've found with a J. L Hammett Boston label, which makes them even rarer. The J. L Hammett company was formed in 1863 by John Hammett, credited with inventing the chalkboard eraser, as well as "slating paint" that extended the life of classroom slates. In 1890, Hammett sold the company to a group of Massachusetts investors, and in