Put a picture of the beach you visited in a shadow box frame and fill the bottom with sand from that beach. Much neater than a random jar of sand and shells! decorate the frame or put seashells or treasures found on the beach in the shadow box
I would try as countdown to school, birthday or an advent cal. Question of the Day Calendar.small paper cups, a backboard to hold them, and numbered pieces of tissue paper to cover them. Could do a writing prompt for each day.
Teacher Gift - Chalkboard Class Birthday Calendar- 30 Name Circles- Made to Order