Image | Item No. | Description |
| 3062 | Brick, Round 1 x 1 Catalog: Parts: Brick, Round |
| 20952 | Brick, Round 1 1/2 x 1 1/2 x 2/3 Dome Top Catalog: Parts: Brick, Round |
| 15395 | Brick, Round 2 x 2 Dome Bottom Catalog: Parts: Brick, Round |
| 553 | Brick, Round 2 x 2 Dome Top Catalog: Parts: Brick, Round |
| 3941 | Brick, Round 2 x 2 with Axle Hole Catalog: Parts: Brick, Round |
| 30361c | Brick, Round 2 x 2 x 2 Robot Body - with Bottom Axle Holder x Shape + Orientation Catalog: Parts: Brick, Round |
| 30361a | Brick, Round 2 x 2 x 2 Robot Body - without Bottom Axle Holder Catalog: Parts: Brick, Round |
| 3063 | Brick, Round Corner 2 x 2 Macaroni with Stud Notch Catalog: Parts: Brick, Round |
| 85080 | Brick, Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside Catalog: Parts: Brick, Round |
| 48092 | Brick, Round Corner 4 x 4 Macaroni Wide with 3 Studs Catalog: Parts: Brick, Round |
| 49612 | Brick, Round Corner 4 x 4 x 2 2/3 Dome Top Catalog: Parts: Brick, Round |
| 87559 | Brick, Round Corner 6 x 6 x 2 Catalog: Parts: Brick, Round |