Image | Item No. | Description | By |
| 3062 | Brick, Round 1 x 1 Catalog: Parts: Brick, Round | 719 |
| 3062a | Brick, Round 1 x 1 - Solid Stud, Bottom Lip Catalog: Parts: Brick, Round | 39 |
| x12 | Brick, Round 1 x 1 with Ball (Finial) Catalog: Parts: Brick, Round | 2 |
| 33286 | Brick, Round 1 x 1 x 2/3 with Flower Edge (4 Knobs on Base) Catalog: Parts: Brick, Round | 8 |
| 15395 | Brick, Round 2 x 2 Dome Bottom Catalog: Parts: Brick, Round | 2 |
| 553 | Brick, Round 2 x 2 Dome Top Catalog: Parts: Brick, Round | 113 |
| 553a | Brick, Round 2 x 2 Dome Top without Bottom Axle Holder Catalog: Parts: Brick, Round | 31 |
| 20953 | Brick, Round 2 x 2 Sphere with Stud / Robot Body Catalog: Parts: Brick, Round | 1 |
| 3941 | Brick, Round 2 x 2 with Axle Hole Catalog: Parts: Brick, Round | 56 |
| 92947 | Brick, Round 2 x 2 with Axle Hole and Grille / Fluted Profile Catalog: Parts: Brick, Round | 11 |
| 4591 | Brick, Round 2 x 2 x 2 with Fins Catalog: Parts: Brick, Round | 11 |
| 49308 | Brick, Round 3 x 3 x 1 1/3 Dome Top - Open Stud Catalog: Parts: Brick, Round | 275 |
| 6222 | Brick, Round 4 x 4 with 4 Side Pin Holes and Center Axle Hole Catalog: Parts: Brick, Round | 1 |
| 87081 | Brick, Round 4 x 4 with Hole Catalog: Parts: Brick, Round | 2 |
| 3063 | Brick, Round Corner 2 x 2 Macaroni with Stud Notch Catalog: Parts: Brick, Round | 39 |
| 85080 | Brick, Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside Catalog: Parts: Brick, Round | 37 |
| 3063a | Brick, Round Corner 2 x 2 Macaroni without Stud Notch Catalog: Parts: Brick, Round | 39 |
| 65617 | Brick, Round Corner 3 x 3 x 1 without Studs Catalog: Parts: Brick, Round | 147 |
| 2577 | Brick, Round Corner 4 x 4 Full Brick Catalog: Parts: Brick, Round | 1 |
| 48092 | Brick, Round Corner 4 x 4 Macaroni Wide with 3 Studs Catalog: Parts: Brick, Round | 2 |