The green scarf proves that Boppa, the thief, was in Anand’s room. It becomes the only physical evidence after his mysterious disappearance, suggesting he may have activated the time machine. It adds mystery and supports Anand’s claim.
Class 7 English NCERT Poorvi Unit 3 Chapter 1 My Brother’s Great Invention solutions
Class 7 English Textbook Dreams and Discoveries Chapter 1 My Brother’s Great Invention question answer
The green scarf left near the time machine becomes a key piece of evidence. After Boppa vanishes mysteriously, the scarf is the only thing left behind to confirm he had entered Anand’s room. It supports Anand’s theory that the thief triggered the time machine and was transported to another time. While the adults remain doubtful, the scarf gives the children, especially Anand, a reason to believe the machine worked. It deepens the mystery and suspense in the story’s climax.
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