Did someone say they're open for suggestions?? Jack and I love stupid tricks!

How about opening/closing a refrigerator/cooler and getting a drink? (The all time favorite at our house)

Light switches are fun. I found it incredibly easy to teach once peanut butter was involved. I also put a chair up to the light so it'd be easier to reach at first, but then again he was young when I taught him.

Limping on command. It was hard to teach, and took a while, but is neat.