Twistables Pororo Mini 12 colors Crayons Twistable Crayons: create drawings and other creations with vibrant colors. No peeling or sharpening: when their tips get worn down, simply twist them up Sturdy plastic barrels resist breaking and crayons never need to be sharpened. The slim shape makes it easy for kids to maintain a firm grip while coloring. They are non-toxic and safe for children to use.