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The Early Bricks |
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| Automatic Binding Brick 1949 |
Automatic Binding Brick 1950-1953 |
Lego Mursten 1954-1955 |
Lego System i Leg 1956-1957 |
The Lego Brick 1958- |
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Material: |
Cellulose acetate |
Cellulose acetate |
Cellulose acetate |
Cellulose acetate |
Cellulose acetate 1958-1963, Acrylonitrile butadiene styrene 1963-oresent |
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Studs: |
Slightly concave, solid, no logo. |
Slightly concave, solid, no logo. |
Slightly concave, solid, no logo. |
Flat, hollow, raised italic 'LEGO' logo. |
Flat, hollow, raised italic 'LEGO' logo. |
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Sides: |
Slits to accomidate windows, doors. |
Slits to accomidate windows, doors. |
Slits to accomidate windows, doors. |
Both solid and with slits. |
Solid |
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Underside: |
Flat, no identifying markings. |
Flat, block 'LEGO' logo on 2 x 2 and larger bricks. |
Flat, script dogbone-style 'LEGO' on 4 x 2 and larger bricks. |
Indentations for top studs, block 'LEGO' logo on some elements. No markings on others. |
Indentations for top studs, hollow central tubes. |
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There are 2 different versions from this period: with side slits and block logo and without slits or logo. |
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