Mail in the Pocket Sewers should stitch this solution. Create a fabric mail sorter and hang it in a convenient spot. The version shown here was tailored for out-going letters. Adapt it for incoming mail by including big slots for envelopes and small slots for a letter opener and a box cutter (for packages).
For the boys' teachers, for holiday gifts.
DIY sew felt birthday banner - Small For Big
Felt pin wheels to use as gift toppers, pins, magnets or ornaments
DIY Easy felt flower; I've seen this flower made before, but I hadn't considered clusters on a wreath.
Hey, I found this really awesome Etsy listing at https://www.etsy.com/listing/168166032/felt-feather-pencil-topper-quill-writer
Some of these ideas are neat, but I really really like the felt roses. Not sure what I'd use them for, but they are really neat.