The final wave of the booster course pass just released, with new tracks, new shortcuts, and new characters. Here's my first impressions and reaction to Funky Kong, Diddy Kong, Pauline, and Peachette, and the courses Tour Rome Avanti, GCN DK Mountain, Wii Daisy Circuit, Piranha Plant Cove, Tour Madrid Drive, 3DS Rosalina's Ice World, SNES Bowser's Castle 3, Wii Rainbow Road. How to get Better at Mario Kart: https://www.youtube.com/watch?v=KADBlsfmIjQ