Eva's appearance on the TV show deviates greatly from her appearance in the book series. In the books, Eva is twelve years old, wears baggy, somewhat sloppy clothes (due to being sheltered her entire life), and has Caucasian skin, blue eyes, and blond hair styled into several messy braids (again reflecting her lack of human interaction). On the TV show, Eva is aged up to sixteen, wears form-fitting clothes, and is racially ambiguous with tan skin, brown eyes, and dark brown hair styled neatly into a Dutch-braided up-do.
The Pinball Machine in the King's Collection of Human artifacts, has a theme of "Luck" (2022) also an Apple Original Film by Skydance.
The "Goldfish" vehicle varies greatly from the original book design which actually resembled a goldfish.