Mistakes
Although the film is set in 1967, the school buses have folding stop signs on the side, which weren't available until the late 70s. See more...
Movie Mistakes blog
Popular blog posts:
Top 15 biggest Harry Potter film mistakes
The 10 biggest mistakes in Iron Man 1 & 2
15 biggest mistakes in Titanic
Other great sites
Sy Ableman: I think, really, the Jolly Roger is the appropriate course of action.
Sy Ableman: Ember's is not the forum to discuss legalities!
Rabbi Nachtner: Sy Ableman was a serious man.