Material: made of paraffin, calcium carbonate, mixed oil, pigment, healthy and non-toxic, absolutely safe for children, children and infants. Your child can safely use these stackable crayons.12 COLOR PENCILS - Our crayons with 12 cute baby crayons in primary colors will not only help your child to develop creativity but also to recognize colors.< p>Stackable Crayons: Easy to draw on paper and easy to disassemble, not only as painting pens but also as stackable toys.Widely Use: This colorful pencil set is perfect for party supplies, Christmas and Halloween. This is the perfect addition to a birthday party.PERFECT GIFT: These crayons can be a good gift for children, crayons can be used as painting tools, and can also be used as student stationery prizes.