Nienhuis Pressure Cylinders
Cylindres des pressions
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 is an educational product and is only to be used under the supervision of professional trained adults in a school environment.