Basic Building Set in Cardboard

Brick 1 x 2

Red· 3004

Brick 1 x 2

White· 3004

Brick 10 x 10 without Bottom Tubes, with '+' Cross Support (early Baseplate)

Light Gray· 733ex

Brick 2 x 2 without Inside Ridges

Red· 3003a

Brick 2 x 2 without Inside Ridges

White· 3003a

Brick 2 x 3 without Cross Supports

Red· 3002a

Brick 2 x 3 without Cross Supports

White· 3002a

Brick 2 x 4 without Cross Supports

Red· 3001a

Brick 2 x 4 without Cross Supports

White· 3001a