White plastic bricks which interlock by means of square studs on the top. Mainly two stud bricks with some longer beams (including lintels shaped to go over the doors) and an angled beam to span corner windows. Angled gable bricks allowed for pitched roofs. One and two stud clear bricks were also supplied. Windows (including two part corner ones), doors and stud-less wall caping pieces came in either red or green. Cut to size card roofing could be used for either flat or pitched roofs. Sets generally also came with with white plastic fencing and a garage door.