Disney Frozen Queen Elsa, Princess Anna, Sofia The First and Princess Amber ride Play Doh covered trains but who are they?br br Subscribe to Our Channel here br See if you can guess who the engines are before the Playdough has been fully removed. br 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.