Using this MierEdu Firefighter Magnetic Puzzle Box is super easy. First, open the tin box and take out the magnetic pieces. Then, start placing the magnets on the puzzle scenes to build your firefighter characters. You can create different outfits and scenarios using the various pieces provided. Let your imagination run wild and tell stories about the firefighters. When you're done playing, put all the pieces back into the tin box to keep them organized. As for safety, this puzzle box is made of nature - based materials, but still, make sure kids don't put the small pieces in their mouths. For maintenance, keep the tin box clean and dry. If the magnets get dirty, you can gently wipe them with a soft cloth. That's all you need to know to have a great time with this puzzle box!