Grimes told Wired that her son with Elon Musk is a "little engineer" who is obsessed with space. X Æ A-Xii, who is three, gets upset when his toy rockets are not "anatomically correct," she said. Grimes said she's stopped giving toy rockets to her 3-year-old son X Æ A-Xii, who she shares with SpaceX founder Elon Musk, because he gets upset if they're not "anatomically correct." Grimes previously tweeted that their son gets frustrated when playing with toy rockets. Robyn Beck/AFP via Getty Images"She's a little engineer too," Grimes told Wired about her daughter.

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Persons: Grimes, Elon Musk, she's, they're, Wired's Steven Levy, he's, Claire Boucher, X, —, Musks, Robyn Beck, Musk, Insider's Julia Black, Shivon Zilis Organizations: Wired, SpaceX, Getty, Neuralink Locations: Hawthorne , California