Image | Item No. | Description | By |
| 3062 | Brick, Round 1 x 1 Catalog: Parts: Brick, Round | 28 |
| 3062a | Brick, Round 1 x 1 - Solid Stud, Bottom Lip Catalog: Parts: Brick, Round | 1 |
| 3062old | Brick, Round 1 x 1 - Solid Stud, No Bottom Lip Catalog: Parts: Brick, Round | 4 |
| 71076 | Brick, Round 1 x 1 d. 90 degrees Elbow Macaroni - No Stud - Type 1 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 | 4 |
| 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 | 2 |
| 77808 | Brick, Round 1 x 2 with Hollow Studs and Open Center with Bars Catalog: Parts: Brick, Round | 2 |
| 65473 | Brick, Round 2 x 2 D. 45 degrees Elbow (25.5mm Standing Height) Catalog: Parts: Brick, Round | 2 |
| 15395 | Brick, Round 2 x 2 Dome Bottom Catalog: Parts: Brick, Round | 28 |
| 24947 | Brick, Round 2 x 2 Dome Bottom with Studs Catalog: Parts: Brick, Round | 1 |
| 553 | Brick, Round 2 x 2 Dome Top Catalog: Parts: Brick, Round | 2 |
| 3941 | Brick, Round 2 x 2 with Axle Hole Catalog: Parts: Brick, Round | 19 |
| 17485 | Brick, Round 2 x 2 with Pin Holes Catalog: Parts: Brick, Round | 1 |
| 30151 | Brick, Round 2 x 2 x 1 2/3 Dome Top Catalog: Parts: Brick, Round | 1 |
| 30361c | Brick, Round 2 x 2 x 2 Robot Body - with Bottom Axle Holder x Shape + Orientation Catalog: Parts: Brick, Round | 3 |
| 79850 | Brick, Round 4 x 4 Dome Top with 2 x 2 Recessed Center Catalog: Parts: Brick, Round | 1 |
| 87081 | Brick, Round 4 x 4 with Hole Catalog: Parts: Brick, Round | 2 |
| 65138 | Brick, Round 4 x 4 x 2/3 Dome Top with Hole Catalog: Parts: Brick, Round | 3 |
| 18897 | Brick, Round 6 x 6 with 4 Side Pin Holes and Center Hole Catalog: Parts: Brick, Round | 2 |
| 85080 | Brick, Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside Catalog: Parts: Brick, Round | 4 |
| 48092 | Brick, Round Corner 4 x 4 Macaroni Wide with 3 Studs Catalog: Parts: Brick, Round | 6 |
| 47974 | Brick, Round Corner 4 x 8 Full Brick Double Catalog: Parts: Brick, Round | 1 |