Click on a colored part below to see the Sets and MOCs that use part bslot04 Brick 2 x 4 without Bottom Tubes, Slotted (with 1 slot) in that color. You can find an overview of all LEGO Colors here.
If a color is missing, it probably needs to be added to a Set Inventory.
There are 2 Mold variations of part bslot04 - Brick 2 x 4 without Bottom Tubes, Slotted (with 1 slot) in the database, in use between 1949 to 1950. See Molds and other related Parts.