How do you keep two girls occupied for an entire afternoon? It's easy: tie them up and give them each control of the other one's magic wand. No challenges or goals were given, they were just told to run with it and that they did. Joy and Lily tease each other endlessly as each has power over the other. A bit of game theory comes into play as they soon discover the most effective way of getting what they want, tit for tat.