First I start with items.

Here are some new and old items that should be in the game and the place 당신 would get it.
* 불, 화재 꽃 (Limit: 10 sec.)5-7
* Super Leaf 1-6
* 바나나 1-3
* Blooper 5-8
* Boomerang 꽃 - use the wii controler to flick a boomerang at the people in front 또는 behind 당신 (Time Limit: 10 seconds) 8-10
* Boo 7-10
* Bob-bomb 4-6
* Bullet Bill 8-10
* Ice 꽃 (same thing as 불, 화재 꽃 but freezes people for 3 seconds. Limit: 10 sec.) 7-9
* Green Shell 1-4
* Gold Shell (gives 당신 speed. After ten 초 it explodes.) 7-10
* Golden 버섯 9-11
* Red Shell 2-4
* P-Wing (takes 당신 straight to 초 place) 10-12
* Rock 버섯 (like SMG2) 10-12
* 버섯 1-6
* Spiny Shell 8-10
* 별, 스타 9-11

So there's the items!

There should be 12 racers on each track.

Retro tracks:
4 tracks from MK7
4 tracks from MKW
2 tracks from MK64
2 tracks from MKDD
2 tracks from MKDS
1 track from SNES
1 track from GBA

Wii Moo Moo Meadows
SNES Ghost Valley 1
N64 Toad's Turnpike
3DS 음악 Park

Wii Toad's Factory
DS Cheep Cheep Beach
GCN Sherbet Land
3DS Neo Bowser City

Wii DK Summit
GCN 버섯 City
DS Tick Tock Clock
3DS Pirahna Plant Slide

N64 Yoshi Valley
3DS Rosalina's Ice World
Wii Dry Dry Ruins
GBA Ribbon Road

150cc Mirror unlockable
N64 무지개, 레인 보우 Road

See ya 다음 time!