Kata can be difficult to get kids into. I used the recent Halloween to get the class thinking about being in character. This worked pretty well and you could actually see them looking at their imaginary attackers, though of course they were a bit silly at times. We went from this into bunkai. The group was sufficient to do a "three attacker" scenario. The silliness reached a new level here at times, but I think it solidified the imaginary concept. We'll see next week...