Cylinder Blocks - Set of 4 Blocks

    Four rectangular wooden blocks, into each of which is drilled a row of ten cylindrical wells or sockets, in each of which rests a precisely fitted wooden cylinder with a small spherical knob on top. The cylinders and their corresponding wells vary in diameter and/or height from 5.5 centimeters to 1.0 centimeters, in increments of 0.5 centimeters. Our Knobbed Cylinders are free from defects and poor crafts menship. Made from Maple  wood (hardwood) in China. Block 1 cylinders are all 5.5 cm tall, and decrease in diameter from 5.5 cm to 1 cm. Block 2 cylinders decrease in both diameter and height from 5.5 cm to 1 cm for both. Block 3 cylinders decrease in diameter while increasing in height, ranging from 1 cm tall and 5.5 cm in diameter to 5.5 cm tall and 1.0 cm in diameter. Block 4 cylinders are all the same diameter (2.5 cm), and decrease in height from 5.5 cm to 1 cm.