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".