rui pen workshop 826 oil painting brush gouache weasel's hair acrylic fan-shaped brush training class oil painting pen student test pen 睿笔坊826油画笔水粉狼毫丙烯扇形画笔 培训班油画用笔学生考试笔

no. 1 no. 2 no. 3 no. 4 no. 5 no. 6 no. 7 no. 8 no. 9 no. 10 no. 11 no. 12 order no. 1-3-5-7-9-11 double number 2-4-6-8-10-12 red rod fan pen no. 0 red rod fan pen no. 2 red rod fan pen no. 4 red rod fan pen no. 6 red rod fan pen no. 8 red rod fan pen no. 10 red rod fan pen no. 12 red rod fan pen 0-2-4-6-8-10-12

yellow