Broad Stair

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Broad Stair
Sensorial - Visual Discrimination of Size
Broad Stair.jpg
Age2.5 - 3.5
Prerequisitessmall muscle coordination
Pink Tower
Materialsset of Broad Stair prisms

Use of this material teaches the child visual discrimination of thickness. This activity also prepares the child for algebra.


  1. step one
    Broad Stair 1.JPG
  2. step two
    Broad Stair 2.JPG
  3. step three
    Broad Stair 3.JPG
  4. step four
    Broad Stair 4.JPG


Segment on Broad Stair begins at 15:20. {{#ev:googlevideo|-1276553600766257368|300}}

Points of Interest

Control of Error

Variations and Extensions