Image | Item No. | Description |
| bslot02b | Brick 2 x 2 without Bottom Tubes, Slotted (with 2 slots, corner) Catalog: Parts: Classic |
| bslot03bL | Brick 2 x 3 without Bottom Tubes, Slotted (with 2 slots, corner left) Catalog: Parts: Classic |
| bslot03bR | Brick 2 x 3 without Bottom Tubes, Slotted (with 2 slots, corner right) Catalog: Parts: Classic |
| bslot04bL | Brick 2 x 4 without Bottom Tubes, Slotted (with 2 slots, opposite corner left) Catalog: Parts: Classic |
| bslot04bR | Brick 2 x 4 without Bottom Tubes, Slotted (with 2 slots, opposite corner right) Catalog: Parts: Classic |