1.wax crayon set 2.Main ingredient: mixed oil, pigment, micro-wax 3.Safe, ... formula provides smooth and rich colors. 2. Non-Toxic, smudge proof and very clear colouring. 3. Easy to sharpen to a ... standards.. 6.We can pack from 2pcs to 64pcs per set with all kinds of packing,as color paper box ,recycled ... , and best for kids,school and promotion. paint crayon pencil set