b'SensorialCylinder BlocksThe Cylinder Blocks introduce the child to the first stage of visual discrimination of size. Made of solid beechwood with a satin smooth lacquer finish. Each block has slightly rounded edges and each cylinder is individually sanded and lacquered.Cylinder Block No. 1 Cylinder Block No. 2Cylinders progress in height and diameter from smallCylinders progress in diameter from thin to thick.to large. Item Number: 002000Item Number: 001900 $99.95$99.95Cylinder Block No. 3 Cylinder Block No. 4Cylinders diminish in height yet increase in diameter fromCylinders progress in height from short to tall with the tall to thin and short to thick. diameter remaining constant.Item Number: 002100 Item Number: 002200$99.95 $99.95Set Of Knobless CylindersThe Knobless Cylinders are the final stage in the dimensional material where the child, based upon his ability to discriminate, places the individual sets of cylinders in the correct order. Each set of 10 cylinders are contained in a separate beechwood Stand For Cylinder Blocks box with the lid painted the same colour as the cylinders.Item Number: 190000 Item Number: 002300$234.95 $269.95Nienhuis Montessori 19'