Classics are classic for a reason, and a thank you card had to make it on the list! But we recommend approaching it with a crafty twist. Together with your piece of paper, we suggest busting out stickers, colored pencils, markers, scissors, glue, and all sorts of craft supplies to decorate the card and make it stand out. Once the design is finalized and the message is written inside, you can either deliver it to your teacher in person on the last day of school or mail it to give this act of kindness an old-school touch. If your child is more tech-savvy however, another option is to design a thank-you note online and email it!