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.
Data sheet
- Tranche d'âge
- 3-6 ans
- Longueur
- 31 cm
- Largeur
- 10 cm
- Hauteur
- 11 cm
- Poids
- 850 g