knobbed cylinders

A set of four wooden blocks skillfully crafted with ten cylinders varying in height and/or diameter in each block.

4 Group of wooden blocks designed to assist the child in making a distinction between the knobbed cylinders that varies as per the height, volume, and diameter.

Knobbed cylinders designed in helping the child to increase their visual impression so as coordination.

Fine polished designed wooden block and cylinders as per child-friendly.