The two backpacks were gifted to Plunket by Nickelodeon, and were produced to celebrate Dora the Explorer’s tenth anniversary.
The Jessica Alba backpack is one of only seven in the world, and Salma Hayek Pinault’s backpack is one of just nine.
Other items up for bid in the auction include a Trelise Cooper dress, a walk-on role in daily soap Shortland Street, signed All Blacks and All Whites shirts, a box of Whittaker’s Sante bars, dozens of family adventure sport and travel opportunities, and a 42 inch Samsung television.
The auction runs from November 12 to 21 at www.trademe.co.nz/plunket