My Dad Is Stronger!
I prepared a lesson using comparatives -- a very simple lesson, but one that encouraged kids to be creative. The format was basically: My dad is stronger than a _________.
Here are some noteworthy responses:
"My dad is stronger than E.T." - Ryusuke. I told him quite honestly that that's not saying much since E.T. is probably the wimpiest alien to ever invade earth. On the other hand,
"My dad is stronger than an alien!" - Mizuki, who, when I asked for clarification, made clear that the aliens in question were in fact from the Aliens movie trilogy (see picture below).

The class voted and it was determined that Mizuki's dad is way stronger than Ryusuke's dad.
After we mastered that, we moved on to more comparatives:
"My dad is rounder than a basketball!"
"My dad is smarter than Edison!"
"My dad is older than the earth!" (So is mine, I said to the boy.)
And finally, to:
"My boyfriend is cooler than Youta!" - from a girl who obviously didn't think much of the boy sitting beside her.
"My mind is wider than the sea!"
And some very metaphysical mind-exploding ones such as:
"The mouse is bigger than the world".
And one girl who really wanted an A+:
"Ken is cooler than any Hollywood star!", written by a very bright and cheerful girl named Kanako with whom I had the following conversation just before class (ALL in Japanese):
Kanako: Hey, Ken! Are you coming to my class today??Ken: Hey Kanako! Sure am!
Kanako: Sweet! By the way, I'm really good at English!Ken: Really?!
Kanako: Yeah, I've gotten like, pretty much perfect on all my tests! Ken: Wow! That's amazing!
Kanako: But I can't speak English at all. I can only write it. I can't really read it either. But I'm really really good at tests. Seriously, Ken, I'm amazing!Ken: [in his head] I find it amazing that you are praising yourself so boldly in front of everyone in a society which holds self-deprecation in the highest regard. [Out loud]: We shall see, Kanako, we shall see.
Kanako: I'm really good.