This page covers Lego bricks by part numbers. Most of the bricks have part numbers bottom for example “3001” which has eight studs.
3001 to 3007
| Part no. | Part Name | Studs on top | Studs on Bottom |
| 3001 | Brick 2 x 4 | Eight | 3 |
| 3002 | Brick 2 x 3 | Six | 2 |
| 3003 | Brick 2 x 2 | Four | 1 |
| 3004 | Brick 1 x 2 | Two | 1 |
| 3005 | Brick 1 x 1 | One | 1 |
| 3006 | Brick 2 x 10 | Twenty | Nine |
| 3007 | Brick 2 x 8 | Sixteen | Seven |