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Montessori in a Minute: Knobless Cylinders

Knobless Cylinders are a sensorial material found in Montessori Toddler, Bridge Primary, and Primary classrooms. This tool has four sets of 10 cylinders. These cylinders are sorted and stored in wooden boxes according to their color: yellow, green, red, and blue. The yellow and green set varies in both height and diameter. The red cylinders vary in diameter while the height remains constant. Conversely, the blue cylinders vary in height while the diameter remains constant.

Students can build towers with the cylinders or line up each set and grade them according to size. They can also use sequence, pattern, and comparison cards to help foster their tactile and visual discernment. Spotting similarities and differences helps students observe fine differences in dimensions. Building towers and using pattern cards allows for practice in matching, concentration, eye-hand coordination, fine motor skills, and pincer grip control.

Montessori schools like Hudson Montessori School utilize specially designed tools like the Knobless Cylinders to promote experiential and sensorial learning that can be practiced over and over again at each age level. This Montessori In A Minute series regularly explores the unique benefits of these fundamental materials.


To learn more about Hudson Montessori School’s interdisciplinary, theme-based learning approach to education, the Montessori philosophy and methodology, or how the school fosters the love of learning for children age 2 to sixth grade, sign up for an open house tour most Tuesdays at 9 a.m.



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