Magic Color Scratch Postcards (50 postcards and 12 scratching tools per unit.) 6" x 4 1/8 Sized to fit our postcard display, these 6" x 4 1/8" scratch offs are a winning activity for classrooms and kids of all ages. Create signs, poster art, magic messages and colorful designs in classrooms, Vacation Bible School or as an everyday kids craft. You will love this easy arts and craft project for kids that reveals every childs inner artist. (50 postcards and 12 scratching tools per unit.)