Using this Squishmallows stationery set is super easy. The A5 exercise book is great for taking notes in class or writing down your thoughts. You can use the pen and pencil for daily writing tasks. The 15cm ruler is handy for drawing straight lines. When your pencil gets dull, use the sharpener to make it sharp again. And don't forget to decorate your things with the A6 sticker sheet. As for the zip - lock wallet, it's reusable, so keep all your stationery organized in it. When it comes to maintenance, keep the pen capped when not in use to prevent it from drying out. Wipe the ruler and eraser clean if they get dirty. Also, store the set in a dry place to avoid any damage.