This is a set of four wooden cylinder blocks lacquered and hand crafted to a smooth satin finish. Each block contains ten knobbed cylinders of varying dimensions. The cylinder blocks help develop the concept of visual discrimination of size.
Block A – Increases in height and the diameter remains constant.
Block B – Increases in diameter but height remains constant.
Block C – Increases in diameter and decreases in height.
Block D – Increases in height and diameter.