This model is made from natural soy wax coloured with non-toxic mineral pigments, so you can feel confident about what your child is handling. The crayons conform to key safety standards, including ASTM D-4236, EN71-3, and CPSIA, which are specifically designed to assess art materials used by children. Their composition avoids common harsh ingredients found in some traditional crayons, making them a reassuring option for little hands and curious mouths. If you want a creative tool that respects strict safety norms, this item gives you that extra peace of mind.