Use a dry erase marker to leave messages for one another in an empty window of your frame! Dry erase will rub right off of the glass.
31 easy and clever DIY projects
wine rack and large cups to store markers, colored pencils...
Great use of paint strips
Pumpkin drink bowl
Who knew -- 1 parts of Dawn dishwashing liquid to 2 parts of acrylic silver paint!
calendar: paint samples under a picture frame - use a dry erase marker on the glass.