Making this right away!
You will need:
1 chisel sharpie
4 pen lids
1 small pencil sharpener
4 2" brass fasteners
2 medium binder clips
2 large binder clips
1 defunct memory chip or similar
1 strip of staples (not pictured)
epoxy or hot glue (hot glue works a LOT better)
poster putty
Find the step by step instructions on Instructables.