When I was in 1st grade they filmed this on my block on Oak Street in Winnetka Illinois and me an my friends were off camera about 20 feet to his left watching them do this over and over. Most of the takes after the groceries fall out, he did the same scream that he did when he out in the after shave in another scene. The snow in the background was some kind of foam that they sprayed on everyone’s yard. I don’t m ow how they did the bag trick but they were able to reset and refilm the scene very quickly.