Magic Gift Photo Box. Rounded photo gift box with your messages. Great gifts for any one in your life.
Cute DIY Room Decor Ideas for Teens - DIY Bedroom Projects for Teenagers - DIY Photo Frame Tutorial
A pretty good outline or guide to explain what goes into a "Open When" letter
Birthday Bunting card by TheRabbitandtheOwl on Etsy, $5.50
Paper photo frame. This would be lovely to send with a photo in your next letter.
DIY Cute Little Teddy Bear. Cuter cat! :D
Or this set of mugs perfect for a cup of tea and a FaceTime date. | 19 Adorable Gifts For Your Long Distance BFF
Flickensalat: 15 Minuten Weihnachten Geschenk DIY
Maybe with text like "... but who's counting?"