What's included? Replacement 1 Green Launcher. This replacement part works with the Hot Wheels Mario Kart Circuit Track Set GCP27 Described Below - Listing is for Launcher Only. Hot Wheels brings the fast-paced action of the Mario Kart to life with the ultimate Mario Circuit Track, inspired by iconic courses from the critically-acclaimed video game. Race as Mario Kart fan-favorites Mario and Yoshi as die-cast kart vehicles and overcome obstacles and challenges just like in the game, but this time on Hot Wheels track! This set is sold separately and is not included with the replacement Launcher - Description is for Hot Wheels Mario Kart Circuit Track Set identification purposes only. Oh no, where did it go? Isn't it just the worst when you lose the most important part to a toy? Never fear, we've got you covered! We carry a large variety of replacement parts for your toy or baby product. This is a replacement Part for Hot Wheels Mario Kart Circuit Track Set - Item # GCP27.