Which detail should be taken out of paragraph 1 from the passage The Electric Backpack?

To provide an accurate response, I would need to know the specific details mentioned in paragraph 1 of "The Electric Backpack." However, generally speaking, details that do not contribute to the main idea or theme of the paragraph, or those that are repetitive or irrelevant, should be considered for removal. If you can share the content of paragraph 1, I can give more tailored advice.