Big Fire!!!
This has a Bob-omb on it. Big Fire Get!!!
Waluigi Oil
As opposed to Luigi Oil. This one has a Waluigi face on it
Wario Kart
As opposed to Mario Kart. Wretched jealous characters!
WLGP
This stands for Waluigi Grand Prix. The letter L in WLGP is upside down
Mario Kart
For some reason, Mario Kart is advertised in addition to Wario Kart. This has the infamous Nintendo racetrack around the words 'Mario' and 'Kart'
Super Mario
The S and O in those two words are bigger than the letters in 'uper mari'
Other
Crowd
The audience in this stadium consists of many green, purple and red Toads, red Shyguys, Snifits (enemies from Super Mario Bros. 2), Hammer Bros., Boos, Goombas and Donkey Kong Jr.'s
Fake Pirhana Plants
Hard to miss; they pop out of fake green pipes to try and stop players from driving any further
// A mysterious character within the Banjo-Kazooie series was meant to star in his own N64 spin-off...