Another one of those things I started months ago, only just now complete!
This is the 'genetic modification formula' that is seen extensively throughout season 3. I made a nice complete set which includes:
-Manila envelope with Helix wax seal
-Kaito's note to Hiro on Yamagato headed paper
-The half of the formula in plastic sleeve that's entrusted to Hiro
-The missing half of the formula
-The complete formula as seen later in the season
And the screen used: