| Image | Item No. | Description | By |
| 3062 | Brick, Round 1 x 1
Catalog: Parts: Brick, Round | 89112 |
| 3062a | Brick, Round 1 x 1 - Solid Stud, Bottom Lip
Catalog: Parts: Brick, Round | 641 |
| 3062old | Brick, Round 1 x 1 - Solid Stud, No Bottom Lip
Catalog: Parts: Brick, Round | 40 |
| 20952 | Brick, Round 1 1/2 x 1 1/2 x 2/3 Dome Top
Catalog: Parts: Brick, Round | 2 |
| 71076 | Brick, Round 1 x 1 d. 90 degrees Elbow Macaroni - No Stud - Type 1
Catalog: Parts: Brick, Round | 1 |
| x12 | Brick, Round 1 x 1 with Ball (Finial)
Catalog: Parts: Brick, Round | 9 |
| 4588 | Brick, Round 1 x 1 with Fins
Catalog: Parts: Brick, Round | 6 |
| 71075 | Brick, Round 1 x 1 x 1 2/3
Catalog: Parts: Brick, Round | 1 |
| 65473 | Brick, Round 2 x 2 D. 45 degrees Elbow (25.5mm Standing Height)
Catalog: Parts: Brick, Round | 1 |
| 5489 | Brick, Round 2 x 2 D. 45 degrees Elbow (27.7mm Standing Height)
Catalog: Parts: Brick, Round | 1 |
| 15395 | Brick, Round 2 x 2 Dome Bottom
Catalog: Parts: Brick, Round | 5 |
| 24947 | Brick, Round 2 x 2 Dome Bottom with Studs
Catalog: Parts: Brick, Round | 6 |
| 553 | Brick, Round 2 x 2 Dome Top
Catalog: Parts: Brick, Round | 121 |
| 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 | 2 |
| 3941 | Brick, Round 2 x 2 with Axle Hole
Catalog: Parts: Brick, Round | 16099 |
| 92947 | Brick, Round 2 x 2 with Axle Hole and Grille / Fluted Profile
Catalog: Parts: Brick, Round | 1 |
| 30151 | Brick, Round 2 x 2 x 1 2/3 Dome Top
Catalog: Parts: Brick, Round | 8 |
| 79850 | Brick, Round 4 x 4 Dome Top with 2 x 2 Recessed Center
Catalog: Parts: Brick, Round | 561 |
| 65138 | Brick, Round 4 x 4 x 2/3 Dome Top with Hole
Catalog: Parts: Brick, Round | 2 |
| 18897 | Brick, Round 6 x 6 with 4 Side Pin Holes and Center Hole
Catalog: Parts: Brick, Round | 1 |
| 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 | 29 |
| 3063a | Brick, Round Corner 2 x 2 Macaroni without Stud Notch
Catalog: Parts: Brick, Round | 31 |
| 2577 | Brick, Round Corner 4 x 4 Full Brick
Catalog: Parts: Brick, Round | 1 |