Product code: Vintage Color Cubes - America’s online Best Known Design Set
This is a different manufacturer but these look like the blocks from the Vintage Wechsler Bellevue BLOCK DESIGN Intelligence Scale Test Form I which is no longer online used in practice.
This is a different manufacturer but these look like the blocks from the Vintage Wechsler Bellevue BLOCK DESIGN Intelligence Scale Test Form I which is no longer online used in practice.