Image | Item No. | Description | By |
| 3062 | Brick, Round 1 x 1 Catalog: Parts: Brick, Round | 55 |
| 3062a | Brick, Round 1 x 1 - Solid Stud, Bottom Lip Catalog: Parts: Brick, Round | 45 |
| 3062old | Brick, Round 1 x 1 - Solid Stud, No Bottom Lip Catalog: Parts: Brick, Round | 1 |
| 553 | Brick, Round 2 x 2 Dome Top Catalog: Parts: Brick, Round | 112 |
| 553a | Brick, Round 2 x 2 Dome Top without Bottom Axle Holder Catalog: Parts: Brick, Round | 30 |
| 20953 | Brick, Round 2 x 2 Sphere with Stud / Robot Body Catalog: Parts: Brick, Round | 3 |
| 3941 | Brick, Round 2 x 2 with Axle Hole Catalog: Parts: Brick, Round | 46 |
| 92947 | Brick, Round 2 x 2 with Axle Hole and Grille / Fluted Profile Catalog: Parts: Brick, Round | 2 |
| 49308 | Brick, Round 3 x 3 x 1 1/3 Dome Top - Open Stud Catalog: Parts: Brick, Round | 1 |
| 87081 | Brick, Round 4 x 4 with Hole Catalog: Parts: Brick, Round | 4 |
| 3063 | Brick, Round Corner 2 x 2 Macaroni with Stud Notch Catalog: Parts: Brick, Round | 31 |
| 85080 | Brick, Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside Catalog: Parts: Brick, Round | 30 |
| 3063a | Brick, Round Corner 2 x 2 Macaroni without Stud Notch Catalog: Parts: Brick, Round | 30 |
| 48092 | Brick, Round Corner 4 x 4 Macaroni with 3 Studs Catalog: Parts: Brick, Round | 1 |
| 76795 | Brick, Round Corner 5 x 5 with Slope 45 Edge without Studs Catalog: Parts: Brick, Round | 1 |