Home / Sensorial / Set of Knobbed Cylinder Blocks View basket “Fraction Stacker” 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 Animal Puzzles with Cabinet and Activity Set QR 565 Add to basket Set of Knobless Cylinders QR 299 Add to basket The Metal Insets QR 395 Add to basket