100 PCS units: 10 x 10 x 10 mm10 PCS flats: 100 x 100 x 10 mm (5 PCS printed hundred chart)10 PCS rods: 10 x 100 x 10 mm1 PC cube: 100 x 100 x 100 mm1PC cubic decimeter box (Scale printed)
Watercolor colored pencils, as the name suggests, means the pigment in the pen core is soluble in water, so that it can produce watercolor effect in painting.