Plarail Doctor Yellow Kintaro Red Flyliner Doctor Yellow Happy Meal toy from McDonald's included Doctor Yellow, Kintaro, and Red Flyliner have all been tested and confirmed to work. (The McDonald's toy does not move originally.) The hook on the connecting part is stretched, but they can still be connected. These are toys that children have played with, so there are stains and scratches. Please refer to the photos and only purchase if you understand. Photo 5: Some stains Photo 7: Child's name written on it Thank you for looking.