Pressure Cylinders: Spring-Loaded Pairs for Weight Discrimination
Six matching pairs of cylinders with spring-loaded plungers, pressed rather than lifted. Pressure is a sense most materials never touch, and it has to be met on its own terms: the child pushes a plunger, feels how hard it pushes back, and finds the cylinder that resists the same amount. Nothing about the outside tells them, so the hand is the only instrument. Pairing comes first, then grading from least to most resistance. Designed by George Russell. Beechwood with steel springs, for ages 3 to 6.
“The senses, being explorers of the world, open the way to knowledge.”
The Pressure Cylinders address a sense rarely trained in conventional education: the perception of resistance and force through touch.
- Develops tactile discrimination of weight and pressure
- Refines muscular memory through paired comparison exercises
- Builds concentration and order through systematic matching
- Prepares the hand for precise movements in writing
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Montessori understood that the hand is the instrument of the mind, and that training subtle hand sensitivities directly develops cognitive capabilities. This material also prepares writing: controlling pencil pressure requires exactly this kind of calibrated finger sensitivity.
How to present it
Follow the Montessori method of presentation for optimal child development.
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Every Child Is a Little Creator
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Since 1929
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