If you were to add 3 tracks to mk world, what would they be?

If you were to add 3 tracks to mk world, what would they be? They can be concepts for new tracks or retro tracks. The 3 I would pick are:

1. Sunshine Airport (Wii U)

2. Mario Circuit 4 (SNES)

3. Yoshi Desert (GBA)

Which 3 tracks are you choosing?

1. U Mario Kart Stadium
2. GCN or GBA Rainbow Road
3. 3DS Wuhu Loop

DS Walougi pinbal
DS Tick tock clock
WII Dk summit

WiiU Thwomp Ruins
Wii Dry Dry Ruins
GBA Lakeside Park

1) Wario Colosseum

2) Sunset Wilds

3) Shy Guy Falls

I Would Had Brought Back These Tracks In MK World:

GBA Rainbow Road.

Wii U Cloudtop Cruise.

3DS Wuhu Loop/Maka Wuhu.

Kalimari Desert
Coconut Mall
Toad Harbor