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The Brown Stair is a Montessori Sensorial material used to educate the hand to perceive differences in size, shape and weight and develop visual discrimination of size in three dimensions.
Practice with The Brown Stair indirectly prepares the child for concepts in plane geometry, area, and volume.
The prisms are crafted in precise progressions from 1 x 1 x 20 cm to 10 x 10 x 20 cm.
Made by GAM (Gonzagarredi Montessori) and certified AMI-approved.
These materials are classroom quality and designed to withstand regular use over extended periods in home-learning and school environments.
Recommended age: 3 - 6 years
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