Upgrade kit to go from the Carrera GO!!! track to the Carrera GO!!! track Plus GO!!! Plus For the upgrade Scope of delivery: 1x connection segment, 2x hand controls 2.4 GHz WIRELESS An advantage in driving fun! Want even more action on your track? With the upgrade kit from GO!!! GO!!! PLUS is now possible. Experience exciting challenges such as pit stop games, multiple race modes or the 1 player challenge. Now you can also control your track cars with the 2.4 GHz controllers and be at the most exciting part of the track at any time. Furthermore, various sound effects make playing in the children's room even more fun. With the GO!!! app PLUS you can wake up your inner mechanic in different games or clean flies off your visor so you can continue again. The upgrade kit is a perfect way to take your Carrera track to the next level.