KOKUYO Transparent Crayons, 10 Colors Used only once. Instant purchase available ◎ Retail price: 2,200 yen These are smooth, semi-transparent oil gel crayons. When applied over line drawings, the underlying image appears to show through, like a watercolor painting. This is a basic 10-color set. Clear crayons with transparent colors that allow for layering. - Colors: Red, Orange, Yellow, Green, Blue, Black, Purple, Brown - Quantity: 10-color set - Type: Clear crayons Crayons, coloring book, coloring, adult coloring book, clear, crayon