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If you're throwing a Star Trek birthday or wanting to add a sci-fi twist to halloween then these ice cube companions are perfect.
Part of the Portal 2 computer game these cubes are sure to add some mystery to drinks at your party - just add water to the patterned trays and out pops your very own portal ice cube.
The best part of these cult ice cubes is the comments that people make at the bottom of the sales page over at Think Geek.
Let's just say there's some seriously happy geeks out there waiting for their ice cube tray delivery.