Toddler Brown Stairs

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 20 x 10 x 10cm scaling down 5 steps to the smallest stair 20 x 2 x 2cm