They were purposely set up to be disappointed by teachers that should have their best interests at heart. Who does that? I think it is a horrible joke. Wonder if all the teachers had a good laugh at the kids expense afterward while showing the video around.
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I guess I see it differently. I don't see it as they were set up to be disappointed, I see it as they were set up to learn a lesson.
The trick lasted for a week, not the length of the slide show. I can't believe you are faulting kids for hearing about the trip and believing it. How cruel.
The tirick didn't last a week. The ASSUMPTION and RUMOR from snooping kids lasted a week. The teachers did not play a video and then a week later say.. haha, just kidding. They didn't announce a trip at the beginning of the year , plan events and then tell them it was a joke. The teachers slide show with the "trick" was just that. A slide show that started about the trip and ended with the realization there was no trick.