Advantages: 1. lipstick type of rotating crayons, not easily broken, compared for baby using; 2. can washing crayons: painting in hand Shang, skin Shang, clothes, furniture and the brush had smooth of wall surface paint, are can easily washing; 3. easy paint: General crayons paint effect than watercolor pen, but this paragraph crayons has similar water crayons and painting rod of effect, color bright, paint effect very good; 4. material security nontoxic, after export of multiple certification, if needs can provides certification of information, can absolute assured to baby using.