This 3 piece LEGO set features characters from the popular sci-fi series Doctor Who. It includes miniature versions of the Doctor, the Tardis time machine, and K9, his trusty robotic dog companion. The pieces are suitable for children ages 3 and up and can be used for imaginative play or as a display for fans of the show. It is a great addition to any LEGO or Doctor Who collection. They measure 1 1/2 to 3 inches.