| Image | Item No. | Description | By |
| bslot01 | Brick 1 x 2 without Bottom Tube, Slotted (with 1 slot)
Catalog: Parts: Classic | 6 |
| bslot02 | Brick 2 x 2 without Bottom Tubes, Slotted (with 1 slot)
Catalog: Parts: Classic | 1 |
| bslot02a | Brick 2 x 2 without Bottom Tubes, Slotted (with 2 slots, opposite)
Catalog: Parts: Classic | 4 |
| bslot03bL | Brick 2 x 3 without Bottom Tubes, Slotted (with 2 slots, corner left)
Catalog: Parts: Classic | 1 |
| bslot03bR | Brick 2 x 3 without Bottom Tubes, Slotted (with 2 slots, corner right)
Catalog: Parts: Classic | 1 |
| bslot04 | Brick 2 x 4 without Bottom Tubes, Slotted (with 1 slot)
Catalog: Parts: Classic | 2 |
| bslot04cL | Brick 2 x 4 without Bottom Tubes, Slotted (with 2 slots, near corner left)
Catalog: Parts: Classic | 4 |
| bslot04cR | Brick 2 x 4 without Bottom Tubes, Slotted (with 2 slots, near corner right)
Catalog: Parts: Classic | 4 |
| bslot04bL | Brick 2 x 4 without Bottom Tubes, Slotted (with 2 slots, opposite corner left)
Catalog: Parts: Classic | 1 |
| bslot04bR | Brick 2 x 4 without Bottom Tubes, Slotted (with 2 slots, opposite corner right)
Catalog: Parts: Classic | 1 |
| bslot04a | Brick 2 x 4 without Bottom Tubes, Slotted (with 2 slots, opposite)
Catalog: Parts: Classic | 11 |
| bslot08 | Brick 2 x 8 without Bottom Tubes, Slotted (with 1 slot)
Catalog: Parts: Classic | 1 |
| bslot10 | Brick 2 x 10 without Bottom Tubes, Slotted (with 1 slot)
Catalog: Parts: Classic | 5 |
| bslot12 | Brick 2 x 12 without Bottom Tubes, Slotted (with 1 slot)
Catalog: Parts: Classic | 2 |
| bslot14 | Brick 2 x 14 without Bottom Tubes, Slotted (with 1 slot)
Catalog: Parts: Classic | 3 |
| bslot16L | Brick 4 x 4 Corner without Bottom Tubes, Slotted (with 1 slot, left side)
Catalog: Parts: Classic | 1 |
| bslot16R | Brick 4 x 4 Corner without Bottom Tubes, Slotted (with 1 slot, right side)
Catalog: Parts: Classic | 2 |
| bslot17 | Brick 4 x 4 Corner without Bottom Tubes, Slotted (with 2 slots)
Catalog: Parts: Classic | 3 |
| 7026c | Window 1 x 2 x 2, without Glass for Slotted Bricks
Catalog: Parts: Classic | 1 |
| cwindow01 | Window 1 x 6 x 4 Panorama, with Glass for Slotted Bricks
Catalog: Parts: Classic | 1 |