for toy safety, every country has their own regulations. but since the globalization and opening of markets, most of them try to harmonize their regulations. the most common action for younger children is to put toys in their mouths. this is why it is of utmost importance to regulate chemicals which are contained in the paintings and other materials children's products are made of. countries or trade zones such as the european union regularly publish lists to regulate the quantities or ban chemicals from toys and juvenile products.