I bought two (very inexpensive) toothbrushes for the twins. After an elaborate ritual of unquestionable fairness to both, which included guessing a number between one and ten and which hand it was in, Paige got the purple toothbrush, and Brooke got the yellow one. See the broken-hearted expressions above!
The yellow one (Brooke's) sported the dastardly, evil Care Bears, while the purple one (Paige's) flaunted a very edgy and much desired Bratz.
The situation was resolved when a Garfield toothbrush happened along to replace the unwanted, rejected Care Bear toothbrush and the teeth appearing in Brooke's now happy smile were finally brushed. Lesson learned.