My parents recently celebrated their 40th wedding anniversary, and I knew I wanted to do something special for them. When I saw this fun idea via Martha Stewart, I knew it would be perfect for their 40th Wedding Anniversary. I thought I would share the step by step here, in case you might want to make one too. I found a few things to be helpful. Supplies: - black and white 4x6 photos (both vertical and horizontal): to make the number 40. I ended up printing WAY more than I needed. You might want to try and figure out how