-16 bottle caps
-hot glue gun
1. Measure16 photos with a bottle cap, then print them.
2. Use a circle shape close to the size of a bottle cap to measure then cut the circles.
3. Push the paper circles into the bottle caps and glue if needed.
4. Attach wire to the backs of the caps with hot glue.
5. Bend a wire and glue it on the back.