The Knobless Cylinders Montessori material consists of four boxes, coloured red, blue, green and yellow, each containing ten colour-matched wooden cylinders of varying height and/or diameter.  The pieces are coated in bright, chip-resistant finishes and the boxes feature quality joinery at the corners.  Each piece in the set corresponds with a similar piece in the Cylinder Blocks set as well as the Knobless Cylinders Cards (sold separately).

• 4 boxes with 10 cylinders in each
• Cylinder vary in height and/or diameter
• Pieces correspond to sizes of the Cylinder Blocks
• Each box measures 16 cm x 12 cm x 8 cm (about 6" x 5" x 3")