Princess Sofia The First and Princess Amber find a secret tunnel on their Hello Kitty trains. The Play Doh Bluebird comes to the rescue.br br Subscribe to Our Channel here br Here at ToyTrains4u we make story, educational and review videos of all our favourite toys. So if you like to see the toys you actually play with featured in stories then Toy Trains 4u is the channel for you. We also have a lot of toy surprises by way of toys in surprise eggs or toys concealed in Play Doh.