yes it is
From the contest site
Eligibility / Who May Enter:
The Promotion is open to legal residents of the 50 United States and Canada Provinces with a valid email address ("Entrants"). Entrants age 15 or under at the time of entry must be entered by a parent or legal guardian. By submitting an entry, entrants (and their parents or legal guardians if the entrant is 15 or under a minor in the jurisdiction in which that the entrant resides) ("you" or "your") acknowledge that you are eligible to enter the Contest and have read and agree to be bound by these Official Rules and our and the judges decisions related to the Contest. All employees of Sponsors, their parents, affiliates, and subsidiaries ("Sponsors' Personnel") as well as any company that supplies or provides goods or services (including advertising and promotional) in connection with this Promotion ("Suppliers") or employees of Suppliers, their parents, affiliates, and subsidiaries ("Supplier Personnel"), and the immediate families and household members of Sponsors' Personnel and Supplier Personnel are not eligible. The term "immediate families" shall mean parents, siblings, children, and spouse. The term "household members" shall mean persons living in the same household.