Several "Mario Kart"-related items appear in the "Super Smash Bros." series, with "Super Smash Bros. Brawl" in particular featuring a stage based on one of "Mario Kart DS"'s courses. Certain courses from the series have also appeared in "F-Zero X", "Itadaki Street DS", "Mario &amp; Sonic at the Olympic Winter Games", "Fortune Street" and "Mario &amp; Sonic at the London 2012 Olympic Games". Various items from the series can also be seen in games such as "Nintendogs" and "Animal Crossing".