The Healey boys and friend delight in securing a coveted seat on the Snowdon Mountain Railway train although Donald, and then his younger brother, Brian, refuse to keep their eyes open whilst being filmed! William, the eldest, sports a camera - he went on to shoot home movies like his father. What with the train ride and the excitement of beach hockey, races and pony riding, parents Percy and Alice have ensured an unforgettable holiday for their offspring.