iA '''Mars Bar''' is a type of candy in the [[Muggle]] world. On his first trip on the [[Hogwarts Express]] in [[1991]], [[Harry Potter]] originally intended to buy some from the [[Honeydukes Express|food trolley]], before learning that they only carried [[Wizarding world|wizard]] candies, such as [[Pumpkin Pasties]], [[Chocolate Frogs]], [[Cauldron Cakes]], and [[Bertie Bott's Every Flavour Beans]].<ref>''[[Harry Potter and the Philosopher's Stone]]''</ref>
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iA '''Mars Bar''' is a type of candy in the [[Muggle]] world. On his first trip on the [[Hogwarts Express]] in [[1991]], [[Harry Potter]] originally intended to buy some from the [[Honeydukes Express|food trolley]], before learning that they only carried [[Wizarding world|wizard]] candies, such as [[Pumpkin Pasties]], [[Chocolate Frogs]], [[Cauldron Cakes]], and [[Bertie Bott's Every Flavour Beans]].<ref>''[[Harry Potter and the Philosopher's Stone]]'' - Chapter 6 (''The Journey from Platform Nine and Three-quarters'')</ref>
The Mars Bar is a chocolate bar manufactured by Mars Inc.[2] It is not specified if the Mars Bar mentioned in the novel is the same as the real world product.