How much does GameStop give for my Xbox, Xbox 360 and Wii and Xbox 360 console?

Ok so I have that I want to sell in GameStop: Console Xbox 360 2 controllers Xbox Xbox 360 Wireless N Network Adapter Xbox 360 20GB Hard Drive Xbox 6 games – Amped, Sega GT 2002, Total Immersion Racing, SpongeBob Lights Camera Squarepants, Star Wars: The Clone Wars, and Crash Tag Team Racing. 2 Xbox 360 games – Lego Star Wars Complete Sega and Grand Theft Auto 4 1 set of Wii – Wii Music "How GameStop to give me this? Any help would be appreciated!

I do not think they take more xbox games reg.

Spongebob Squarepants the movie the video game walkthrough part 25 Name’s Dennis no damage

Spongebob Squarepants: Atlantis Squarepantis $6.99 Product InformationHoly algae! SpongeBob and Patrick tumble upon the lost magical amulet that willtake them to the legendary city of Atlantis. Players will join them and the restof their Bikini Bottom pals as they ride on a magical bus for a soaking newadventure. Hoping to uncover the treasures of Atlantis in order to fulfillSpongeBob’s dream of finding the “World’s Oldest Bubble” players willcont…

Spongebob Truth Or Square $13.12 Spongebob Truth or Square Wii…

SpongeBob SquarePants: The Creature from the Krusty Krab for Nintendo Wii $9.98 SpongeBob SquarePants: Creature from the Krusty Krab brings the hit kids’ show to your Nintendo Wii! See Bikini Bottom through completely different eyes — introducing never-before-seen art styles and brand new gameplay mechanics that will change your perception of Bikini Bottom forever! Jump into the bizarre and unusual with Spongebob and his friends….