Here's a hidden pictures game using extra vocabulary from the lesson. I split the class into teams and had each one roll a dice on their turn. Whatever number they rolled, that's how many boxes I took away. They had to guess what the object was by saying, "Is that a ___?" I would answer "Yes, it is" or "No, it isn't." Plus 5 if they guessed right, minus 1 if they guessed wrong!