Home / Sensorial / Set of Knobbed Cylinder Blocks Set of Knobbed Cylinder BlocksQR 459 Set of Knobbed Cylinder Blocks quantity Add to basket Categories: All Materials, Sensorial Product ID: 1772 Description Description Set of 4 Wooden Blocks each one containing 10 pieces in various sizes. Related products The Metal Insets QR 395 Add to basket The Vowel Game QR 225 Add to basket Small Numerical Rods QR 225 Add to basket