Home / Sensorial / Set of Knobbed Cylinder Blocks View basket “Small Numerical Rods” has been added to your basket. 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 Wooden Tools QR 169 Add to basket Spindle Box QR 255 Add to basket Hundred Board QR 235 Add to basket