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This series of prisms demonstrates to the child the change in width (breadth), while the length remains constant. Practice with The Broad Brown Stair material indirectly prepares the child for concepts in plane geometry, area and volume.

The 10 brown prisms are of the same length (20cm) but differ in height and width. They vary from 20cm x 10cm x 10cm to 20cm x 1cm x 1cm.

 

Purpose:-

Direct 

Visual discrimination of dimensions (thickness).

Indirect 

- Refinement of voluntary movement.

- Muscular education of grip.

- Preparation for mathematics.

 

Package Size and Weight: 28.7cm x 22.6cm x 17cm, 5.4kg

Brown Stair

$239.00Price
     

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