It's time to think about the plumbing system for the ToyBox. My first inclination is to set this up on a shelf above the counter and let gravity do the work:
http://www.rei.com/zoom/618168Lrg.jpg/440
Another idea is to use a drill pump connected to a small 12v motor:
http://forums.pelicanparts.com/uploads20/H50326+DRILL+PUMP1335568326.jpg
Or, just connect it to my DeWalt 18v drill. I usually bring along my DW LED trouble light anyway:
http://www.blackanddecker.com//ProductImages/PC_Graphics/PHOTOS/DEWALT/TOOLS/LARGE/9/DW919_1.jpg
I have an air compressor from one of these battery jumpers. It seems like it could be plumbed to pressurize a water container under the counter. I'd use a spring loaded switch and a pop-off valve so that my water container doesn't explode
http://www.denlorstools.com/shop/images/SCUPSJ-1812_JUMP_BOX.jpg
Has anyone used any of these..uh...besides the gravity flow!
Tom