The set of 75 Magnetic Counting Chips and included Block Magnet will be an instant hit in your classroom, at your bingo game, or wherever you decide to use it. The colorful chips feature a metal edge making cleanup a breeze with the included super powerful block magnet. Designed to withstand years of tough use and easily washable, the chips will become a staple in your classroom. Suitable for children 3 years and older, the Magnetic Counting Chip Set brings a fun, easy-to-use twist to a classic classroom tool. Constructive Playthings is committed to providing safe, compliant products and a healthy, safe working environment worldwide. We require that all products meet all applicable federal regulations, which we review on a continuous basis