Thinkamajigs Knobless Cylinders

These knobless cylinders consist of four boxes, colored red, blue, green, and yellow, each containing ten color-matched wooden cylinders of varying height or diameter. The pieces are coated in bright, chip-resistant finishes and the boxes feature quality joinery at the corners.
4 boxes with 10 cylinders in each.
Cylinders vary in height and diameter.
Pieces correspond to the sizes of the cylinder blocks.
Each box measures 16 x 12 x 8 centimeters (about 6 x 5 x 3 inches).