These sweet remote-controlled Mario Kart toys are top of heap as far as I'm concerned. Based on Mario Kart Wii character and track designs, the R/C controller of these fantastic toys even give you the familiar jingle when you power-slide over a power-up [via Techeblog]:

No word on exactly which racers will be available, or if these awesome gadgets will appear in the U.S. Since they’re extremely cool Japanese toys that most of us would buy in a second, with our luck, I’m guessing we won’t get them.