Red plastic bricks with square interlocking studs on top and textured sides. Bricks come in one, two, four and six stud lengths. All the four and six stud bricks and some of the shorter bricks have a different edge texture from the rest and are intended to be foundation bricks. Sets also include angled gable bricks and stud-less wall capping bricks. Doors and windows are white and, excluding the two part corner window, openable. Three sizes of green roof sections plus ridge pieces have stud and hole connection.