The Prometheus and Shame star revealed that he was fascinated with the George Lucas franchise, adding that he still has some of the toys from his childhood.
"Star Wars was really the only sci-fi sort of fascination I had as a youngster," Fassbender told Absolute Radio.
"I collected and I've still got the AT-AT and the Millennium Falcon and the Ewok village," he continued. "I suppose they are worth a bit of money. I sort of passed them on I think, and also I took them out of their box.
"It's kind of like three trees, or four perhaps, they're sort of joined together with the platform bit," Fassbender added, describing the Ewok village toy.
"It's quite cool, you can go into the trunk of one and come out the other, and there's a little sort of wind up trap net thing where you can sort of reel somebody up."
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Watch the Prometheus IMAX trailer below: