Description: Montessori material - The Pressure Cylinders 500g - 1750g. The pressure cylinders provide experiences in pairing and grading degrees of pressure. Includes 6 cylinders with wood-coloured pistons, 6 cylinders with black-coloured pistons, and wooden holding tray. Kids press the spring-loaded plungers to sense different resistant pressure, from 500g, 750g, 1000g, 1250g, 1500g, 1750g. Material: Wood Suit for 3 years old and above. Tray size: 30x12x2cm / 11.8x4.7x0.8 inch Cylinder size (Dia x H): 3x8cm / 1.2x3.1 inch Package Includes: 1 Set Pressure Cylinder
