As much as we may want our children to stay small, they do eventually grow up. That's the idea behind a big change in a popular Nickelodeon character. As the picture up-top shows, Dora the Explorer is lengthening out and dressing more like a pre-teen. Gone is the signature backpack. Nickelodeon is calling this the 10-year-old version of Dora. But here's the hitch: Dora's new image will be used for dolls sold in the Dora Explorer Girls collection. Her image on the TV show will remain the same. Still some parents don't like the new look and feel Dora is growing up too fast. Is the change too much for long-time fans? We'll have to wait and see. The new merchandise will be available in October.