The Hall of Sin

We have a back hallway that runs from the kitchen to our pantry and back bathroom and around to our living room.  It has seen episodes of sneakiness before, but today it was the scene of two crimes--in a row.  My youngest somehow managed to pull a pitcher of Crystal Lite off the counter without spilling it and carried it into the back hall--you know, where the carpet is?  He raided the dishwasher for a cup and poured most of the contents onto the carpet, before being discovered.  I finished cleaning up that mess and moved on to my laundry.  For some reason I made another lap through that back hallway in time to find my little wonder boy into a bottle of cornflower blue food coloring. A lot of it!  Despite the fact that BOTH he and I have blue hands now, at least the carpet was mostly spared.  Let's just say that "cornflower blue" on skin translates into "hideous-bruise-what-happened-to-you?"looking blue.   Wonder Boy is now in bed.   And I am left wondering how to get this off us both before we are due at Parent Night at the school in 2 hours.