Image | Item No. | Description | By |
| 3062 | Brick, Round 1 x 1 Catalog: Parts: Brick, Round | 2446 |
| 3062a | Brick, Round 1 x 1 - Solid Stud, Bottom Lip Catalog: Parts: Brick, Round | 33 |
| 3062old | Brick, Round 1 x 1 - Solid Stud, No Bottom Lip Catalog: Parts: Brick, Round | 3 |
| 20952 | Brick, Round 1 1/2 x 1 1/2 x 2/3 Dome Top Catalog: Parts: Brick, Round | 2 |
| 25214 | Brick, Round 1 x 1 d. 90 degrees Elbow Macaroni - No Stud - Type 2 - Axle Hole Catalog: Parts: Brick, Round | 1 |
| x12 | Brick, Round 1 x 1 with Ball (Finial) Catalog: Parts: Brick, Round | 3 |
| 4588 | Brick, Round 1 x 1 with Fins Catalog: Parts: Brick, Round | 2 |
| 71075 | Brick, Round 1 x 1 x 1 2/3 Catalog: Parts: Brick, Round | 1 |
| 3386 | Brick, Round 1 x 1 x 2/3 Half Circle Extended with Side Stud Catalog: Parts: Brick, Round | 9 |
| 33286 | Brick, Round 1 x 1 x 2/3 with Flower Edge (4 Knobs on Base) Catalog: Parts: Brick, Round | 2 |
| 15395 | Brick, Round 2 x 2 Dome Bottom Catalog: Parts: Brick, Round | 6 |
| 553 | Brick, Round 2 x 2 Dome Top Catalog: Parts: Brick, Round | 556 |
| 553a | Brick, Round 2 x 2 Dome Top without Bottom Axle Holder Catalog: Parts: Brick, Round | 16 |
| 20953 | Brick, Round 2 x 2 Sphere with Stud / Robot Body Catalog: Parts: Brick, Round | 2 |
| 3941 | Brick, Round 2 x 2 with Axle Hole Catalog: Parts: Brick, Round | 124 |
| 92947 | Brick, Round 2 x 2 with Axle Hole and Grille / Fluted Profile Catalog: Parts: Brick, Round | 3 |
| 17485 | Brick, Round 2 x 2 with Pin Holes Catalog: Parts: Brick, Round | 3 |
| 5690 | Brick, Round 2 x 2 x 1 1/3 Dome Top with Cat Ears Catalog: Parts: Brick, Round | 41 |
| 30361c | Brick, Round 2 x 2 x 2 Robot Body - with Bottom Axle Holder x Shape + Orientation Catalog: Parts: Brick, Round | 3 |
| 30361b | Brick, Round 2 x 2 x 2 Robot Body - with Bottom Axle Holder x Shape x Orientation Catalog: Parts: Brick, Round | 1 |
| 30361a | Brick, Round 2 x 2 x 2 Robot Body - without Bottom Axle Holder Catalog: Parts: Brick, Round | 1 |
| 74169 | Brick, Round 2 x 2 x 2/3 No Studs with 2 Tile, Round 1 x 1 (Mickey Mouse Head) Catalog: Parts: Brick, Round | 1 |
| 49308 | Brick, Round 3 x 3 x 1 1/3 Dome Top - Open Stud Catalog: Parts: Brick, Round | 203 |
| 79850 | Brick, Round 4 x 4 Dome Top with 2 x 2 Recessed Center Catalog: Parts: Brick, Round | 79 |
| 87081 | Brick, Round 4 x 4 with Hole Catalog: Parts: Brick, Round | 6 |
| 68325 | Brick, Round 4 x 4 with Recessed Center and Hole Catalog: Parts: Brick, Round | 1 |
| 3063 | Brick, Round Corner 2 x 2 Macaroni with Stud Notch Catalog: Parts: Brick, Round | 28 |
| 85080 | Brick, Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside Catalog: Parts: Brick, Round | 533 |
| 3063a | Brick, Round Corner 2 x 2 Macaroni without Stud Notch Catalog: Parts: Brick, Round | 17 |
| 65617 | Brick, Round Corner 3 x 3 without Studs Catalog: Parts: Brick, Round | 141 |
| 88293 | Brick, Round Corner 3 x 3 x 2 Dome Top Catalog: Parts: Brick, Round | 100 |
| x1042b | Brick, Round Corner 4 x 2 Macaroni Double with Stud Notches Catalog: Parts: Brick, Round | 1 |
| 48092 | Brick, Round Corner 4 x 4 Macaroni with 3 Studs Catalog: Parts: Brick, Round | 8 |
| 49612 | Brick, Round Corner 4 x 4 x 2 2/3 Dome Top Catalog: Parts: Brick, Round | 5 |
| 24599 | Brick, Round Corner 5 x 5 without Studs Catalog: Parts: Brick, Round | 5 |
| 95188 | Brick, Round Corner 6 x 6 with Slope 33 Edge, Facet Cutout Catalog: Parts: Brick, Round | 1 |
| 87559 | Brick, Round Corner 6 x 6 x 2 Catalog: Parts: Brick, Round | 1 |
| 6162 | Brick, Round Corner 12 x 12 Catalog: Parts: Brick, Round | 1 |