| Image | Item No. | Description | By |
| 3062 | Brick, Round 1 x 1
Catalog: Parts: Brick, Round | 42850 |
| 3062a | Brick, Round 1 x 1 - Solid Stud, Bottom Lip
Catalog: Parts: Brick, Round | 1287 |
| 3062old | Brick, Round 1 x 1 - Solid Stud, No Bottom Lip
Catalog: Parts: Brick, Round | 27 |
| 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 | 2888 |
| 71075 | Brick, Round 1 x 1 x 1 2/3
Catalog: Parts: Brick, Round | 6 |
| 33286 | Brick, Round 1 x 1 x 2/3 with Flower Edge (4 Knobs on Base)
Catalog: Parts: Brick, Round | 1 |
| 77808 | Brick, Round 1 x 2 with Hollow Studs and Open Center with Bars
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 | 1 |
| 24947 | Brick, Round 2 x 2 Dome Bottom with Studs
Catalog: Parts: Brick, Round | 2 |
| 553 | Brick, Round 2 x 2 Dome Top
Catalog: Parts: Brick, Round | 120 |
| 553a | Brick, Round 2 x 2 Dome Top without Bottom Axle Holder
Catalog: Parts: Brick, Round | 44 |
| 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 | 2513 |
| 92947 | Brick, Round 2 x 2 with Axle Hole and Grille / Fluted Profile
Catalog: Parts: Brick, Round | 6 |
| 17485 | Brick, Round 2 x 2 with Pin Holes
Catalog: Parts: Brick, Round | 3 |
| 30151 | Brick, Round 2 x 2 x 1 2/3 Dome Top
Catalog: Parts: Brick, Round | 14 |
| 4591 | Brick, Round 2 x 2 x 2 with Fins
Catalog: Parts: Brick, Round | 1 |
| 79850 | Brick, Round 4 x 4 Dome Top with 2 x 2 Recessed Center
Catalog: Parts: Brick, Round | 8 |
| 87081 | Brick, Round 4 x 4 with Hole
Catalog: Parts: Brick, Round | 3 |
| 65138 | Brick, Round 4 x 4 x 2/3 Dome Top with Hole
Catalog: Parts: Brick, Round | 1 |
| 3063 | Brick, Round Corner 2 x 2 Macaroni with Stud Notch
Catalog: Parts: Brick, Round | 32 |
| 85080 | Brick, Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside
Catalog: Parts: Brick, Round | 38 |
| 3063a | Brick, Round Corner 2 x 2 Macaroni without Stud Notch
Catalog: Parts: Brick, Round | 30 |
| 48092 | Brick, Round Corner 4 x 4 Macaroni Wide with 3 Studs
Catalog: Parts: Brick, Round | 2 |