Those are rad, and so are some of the other items up for grabs, including:
- Aperture Laboratories Shower Curtain
- Portal Cookie Cutters
- Portal Bookends
- Wheatley LED Flashlight
- Portal 2 PotatOS Science Kit
- Portal 2 Cave Johnson Talking Portrait
You can view the full lineup of Portal products on ThinkGeek here. Alternately, if the geek in your life doesn't recognize the awesome that is Portal, be sure to check out our current and upcoming HotHardware Holiday Gift Guides. We currently have recommendations posted for tablets and smartphones, and will also be covering Notebooks/Ultrabooks and Components/Accessories in the coming weeks.