With two colors of tanks and three of batteries and cones, using different combinations, there are possible 18 different combos/codes. And then, of course, you have to use a note pad to write down what juice is in each combo.

And I sure don't like some of the combos. They look like I'm missing some parts and just jimmy rigged them. Silver batt, black cone, white tank is especially yuck. As soon as its empty I'm changing that code/combo to black tank. Come on Joye! Make some colored tanks! Do you really want these combos out in public advertising your product?