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Unit Blocks

Caroline Pratt designed unit blocks for children to construct their knowledge about the world and reconstruct their experiences through play.

The generally accepted standard for schools, preschools, and kindergartens is the standard unit block of 1-3/8 by 2-3/4 by 5-1/2 inches.

In 1913, Caroline Pratt launched the Play School, which embodied a child centered approach to education. Children worked together to reconstruct their experiences through play.

The curriculum was drawn from the children’s environment: observations about the neighborhood, for example, would inspire children to reflect on their world directly so that they could make sense of their experiences.

Blocks that are fractions or multiples of the standard unit block give a child many possibilities for creative play.

Made in the United States from FAS quality, knot free Michigan and Indiana maple hardwood.

Blocks are rounded on the long edges and sanded and softened on the ends and corners. Tolerances are within .01 inches.

All shapes are a fraction of the standard unit block of 1-3/8 by 2-3/4 by 5-1/2 inches, the generally accepted standard for schools, preschools, and kindergartens.

Caroline Pratt (May 13, 1867–June 6, 1954) was the founder of City and Country School in the Greenwich Village of New York City.

sources:

  • Pratt, Caroline (1948). I Learn From Children. New York: Perennial Library/HarperCollins.  ISBN 0060972734
  • Hauser, Mary E. (2006). Learning from Children: The Life and Legacy of Caroline Pratt. New York: Peter Lang. pp. 44–49. ISBN 0820467510