How did LEGO bricks look like in the olden days?

Can you also show me the bottom of a LEGO brick from the olden days?

  • Hi Grace and welcome to Bricks.SE! Could you please clarify what do you mean by "olden days"?
    – zovits
    Nov 13 '20 at 8:34

The earliest LEGO bricks were made in 1949, and they had completely empty undersides with vertical notches in two of their sides for attaching windows, doors and decorative cardboard inserts: enter image description here

Then in 1958 (or 1961, depending on the country) the form known today was adopted, with tubes on the bottom and without notches:

enter image description here

  • 1
    1961 is when the patent in the US was issued, in Denmark (LEGO is a danish company) the patent was granted in 1958 (and in many other countries was probably granted earlier than 1961 too), so LEGO bricks looked like what we know today some years earlier than you said. Nov 14 '20 at 9:24

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