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Box dimensions: 26 cm x 14
a cube of 1000
Card 'b' size: 19 cm x 14 cm
and a quarter to the hour
Broad Stairs land-and-water-forms Box dimensions: 26 cm xThe Broad (Brown) Stairs consist of ten hardwood prisms ranging from 1 cm x 1 cm x 20 cm to 10 cm x 10 cm x 20 cm. This series of prisms demonstrates to the child the change in width (breadth), while the length of 20 cm remains constant. Further practice with the Broad Stairs indirectly prepares the child for concepts in plane geometry, area and volume. We have Control Chart (Paper Cards) and Pattern Cards (PDF) for working with this set. Colour may
