CE tested according to European standard EN71
Also called the Knobbed Cylinders..is a classic Montessori material that help the child discriminate different sizes visually
Includes: Each set consists of 4 solid beechwood blocks with 10 cylinders
There are 4 Cylinder Blocks in the series.
Block 1: Cylinder block progresses in height and diameter from small to large
Block 2: Cylinder block progresses in diameter from thin to thick while height remains constant
Block 3: Cylinder block progresses in diameter from thin to thick while height progresses from tall to short
Block-4: Cylinder block progresses in height from short to tall while diameter remains the same.