Nienhuis Cylinder Blocks introduce the child to the first stage of visual discrimination of size. Made of solid beechwood with a satin smooth lacquer finish. Recently re-designed, each block has slightly rounded edges and each cylinder is individually sanded and lacquered.
Cylinder Block No. 1 The cylinders progress in height and diameter from small to large
Cylinder Block No. 2 The cylinders progress in diameter from thin to thick
Cylinder Block No. 3 The cylinders diminish in height yet increase in diameter from tall to thin and short to thick
Cylinder Block No. 4 The cylinders progress in height from short to tall with the diameter remaining constant