Multifunctional magnets:Can be used as refrigerator magnets,great for fridge, kitchen, office, classroom, school, science. Perfect size for easy use Small magnets, big suction, there are a variety of sizes to meet your needs, support custom sizesThe product is intended for use by people over the age of 14. There have been several serious incidents involving children accidentally ingesting magnets, even requiring a laparotomy, to prevent ingestion by children, keep out of reach of children