Here, children were taught the basics of reading, writing, and arithmetic, with different blocks of time set aside for each grade. (gse.harvard.edu)
(laughs) As for the dotted - line blocks, it started with the question of how we could increase the number of different block types. (shmuplations.com)
Any toy that requires sorting different blocks or pounding them into a bench will help your growing baby develop cognitive skills. (modernmom.com)