Ultrasound reveal ideas?

So my Boyfriend will not be able to attend our babies ultrasound due to the fact that he just started electrical lineman school and they are not to miss a single day. So i was hoping you ladies could come up with some creative ideas on how to tell him the ...(ex: decorate the house with the colored balloons blue or pink. Have the US tech write down the so we can both open it) Please help me, the more creative the better. Thanks!