Optional finishing charges that might be listed below are in addition to the price shown above:
The Pressure Cylinders provide experiences in pairing and grading degrees of pressure. By pressing the spring-loaded plungers, the child senses the difference in resistance pressure. The set includes a wooden tray that holds 6 matching pairs of pressure cylinders. Designed by George Russell.
This item ships from the Mountain View California Warehouse and does not qualify for free shipping.