- Thomas & Friends Large Backpack + Thomas Lunch Bag + Thomas digital watch When the button on the top of the cab is pressed, Thomas says one of 3 unique phrases or sounds his special whistle When the button on the top of the cab is pressed, Percy says one of 3 unique phrases or sounds his special whistle When the button on the top of the cab is pressed, Rosie says one of 3 unique phrases or sounds his special whistle Thomas & Friends Take-n-Play Toby Works with Thomas Take-n-Play and Take Along sets!