Using this MierEdu magnetic shape learning game is easy. First, spread out the food - themed board. Then, take the magnetic shapes and try to match them with the corresponding spaces on the board. It's a fun way to learn about shapes. As for the age limit, it's designed for kids 5 and up, so younger kids may need adult supervision. When it comes to maintenance, keep the game in a dry place to avoid rusting of the magnets. If it gets dirty, you can gently wipe it with a soft, dry cloth. That's all you need to know to enjoy this great learning game!