I love you clothes pins: Write a message with a FINE POINT sharpie so it doesn't smear. Write "I love you" on a paper. Cut it out, and hot glue it to the clothes pin end. Would be cute for a care package!
Custom Button Letter Wall Art - DIY - Kids' initials - hang on bedroom doors. Use a fabric that coordinates with each kid's room & tastes. Tips: SEW buttons to fabric, use decorative upholstery tacks on sides.