This series of prisms demonstrates to the child the change in width (breadth), while the length remains constant....
DESCRIPTION
This series of prisms demonstrates to the child the change in width (breadth), while the length remains constant. Practice with The Brown Stair indirectly prepares the child for concepts in plane geometry, area and volume.
The 5 brown prisms of the same length (20cm) but differing in height. The largest stair is 15 x 10 x 10cm scaling down 5 steps to the smallest stair 15 x 2 x 2cm
Purpose
Direct Visual discrimination of dimensions (thickness).
Indirect - Refinement of voluntary movement. - Muscular education of grip. - Preparation for mathematics.
Packing Size and Weight: 26cm x 21cm x 11cm, 3kg
SKU: LT021
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