The Indominus rex costume is a costume for the primary antagonist from the hit 2015 film, Jurassic World.

A group of friends Owen and the Indominus rex, with other friends being able to dress as velociraptors, as well. A couples costume can be formed with one person dressing up as the Indominus rex and the other dressing up as Rexy the Tyrannosaurus rex, the series' true antihero and the I. rex's rival.

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