Make a Valentines Day Mobile - Printable Craft. Teachers & Moms love this craft to do with their kids. A Great decoration for Valentines Day to use year after year! Hang it on your door or use a long string to hang it from the ceiling. Easy Peasy one page craft! I designed this. Mobile sample on the page to see what it looks like finished. Gold, white or red cord string would be perfect against the red hearts!