Technic Brick 2 x 4 with Top/Side/End Holes and Hollow Studs

#404-1 · Universal Building Set · 1977

Universal Building Set

2× in set

#912-1 · Universal Building Set · 1976

Universal Building Set

2× in set

#901-1 · Supplemental · 1976

4.5V Motor Set

1× in set

#780-1 · Construction · 1976

Road Construction Set

2× in set

#394-1 · Hobby Sets · 1976

Harley-Davidson 1000cc

2× in set

#393-1 · Hobby Sets · 1976

Norton Motorcycle

2× in set

#387-1 · Construction · 1976

Excavator and Dumper

2× in set

#107-1 · Supplemental · 1976

4.5V Motor Set

1× in set

#814-2 · Gears · 1975

Gear Farm Set

4× in set

#392-1 · Hobby Sets · 1975

Formula 1

4× in set

#813-2 · Gears · 1974

Gear Bulldozer Set

3× in set

#812-1 · Gears · 1974

Gear Supplementary Set

6× in set

#811-2 · Gears · 1974

Gear Crane Set

8× in set

#810-3 · Gears · 1974

Gear Truck Set

7× in set

#803-2 · Gears · 1972

Gear/Wheel Set

12× in set

#802-1 · Gears · 1970

Gear Supplementary Set

5× in set