Pressure Cylinders

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.

This set comes with a specially designed work tray containing 5 matching pairs of cylinders. Each matching pair has one cylinder with a black plunger, and one with a white plunger.

Features

• Tray dimensions: 23.5 cm x 10 cm x 2 cm.
• Cylinder height: 8.8 cm. Diameter: 3 cm.