The Montessori Knobless Cylinders are Montessori sensorial materials which are some of the most engaging materials for young children. Our coloured cylinder blocks are challenging and exciting The Montessori Knobless Cylinders is a material which consists of 4 boxes of 10 colored cylinders.The purpose of the material is to help refine a child's visual discrimination, specifically that of diameter and height. Each set of cylinders varies methodically in one or two dimensions; height and/or diameter.

Red Cylinders – each cylinder decreases in diameter, height stays constant

Yellow Cylinders – each cylinder decreases in both diameter and height

Green Cylinders – each cylinder decreases in diameter and increases in height

Blue Cylinders – each cylinder decreases in height, diameter stays constant