OH MY STARS I didn't realize that it was N64 MARIO KART! AKJSGHAasdigakljdsgalsdkhg
And I didn't notice the BOOMERANG item!!
AND: The ICONIC Yoshi Valley looks to be coming back, as the destination sign in Sunshine Airport (which lists the names of all sorts of tracks) also includes "N64 Yoshi Valley"
Edit: Here is the sign, it's blurry but CLEARLY says "Yoshi Valley" on the bottom left.