Colorful Rainbow Gel Pen Set (Pack of 12, Multicolor) The pen set has different bright colors in one refill to illuminate your work with colors. There are in total 12 pens in the set and each pen has different shades of colors like Yellow, Purple, Green, orange etc. The material used in making pens is good quality plastic and every material used in it including ink is non-toxic and acid free in nature. Hence it is completely safe for everyone especially kids, to use. The Pen set has multiple uses. It is ideal for sketch, draw, doodle, highlighting, underlining, writing titles for project, journals, planners, notes, art and craft activities, card designing, greeting card designing, letter to friends and family, decorations, school projects and scrap book. The pens are simplistically designed with no extra prints all over, rather it is transparent in design. The pens are easy to grip and use, to give you a great writing experience as well. It’s always a challenge to select gifts that will be loved by the kids and same time be useful to them. These colorful rainbow pens are however the best choice for kids as a gift as it will be super useful to them.