1. Paint the inner and outer rims of the box lids; let dry. Trace the box lids on patterned paper. Cut and glue patterned pieces into lids.
2. Carefully cut out your photo and glue onto foam core, then trim the foam core, too. Glue photo into the box—now it’s 3D!
3. Hot-glue multiple lids together. Flip and glue on string to hang it. Reinforce with tape. Optional: Add decorations like foam hearts.
A version of this article originally appeared in our November 2016 issue, titled "Say cheese!", pg. 14.