| Image | Item No. | Description |
| 3062 | Brick, Round 1 x 1
Catalog: Parts: Brick, Round |
| 20952 | Brick, Round 1 1/2 x 1 1/2 x 2/3 Dome Top
Catalog: Parts: Brick, Round |
| 25214 | Brick, Round 1 x 1 d. 90 degrees Elbow Macaroni - No Stud - Type 2 - Axle Hole
Catalog: Parts: Brick, Round |
| 25214 | Brick, Round 1 x 1 d. 90 degrees Elbow Macaroni - No Stud - Type 2 - Axle Hole
Catalog: Parts: Brick, Round |
| 3386 | Brick, Round 1 x 1 x 2/3 Half Circle Extended with Side Stud
Catalog: Parts: Brick, Round |
| 3386 | Brick, Round 1 x 1 x 2/3 Half Circle Extended with Side Stud
Catalog: Parts: Brick, Round |
| 15395 | Brick, Round 2 x 2 Dome Bottom
Catalog: Parts: Brick, Round |
| 553 | Brick, Round 2 x 2 Dome Top
Catalog: Parts: Brick, Round |
| 20953 | Brick, Round 2 x 2 Sphere with Stud / Robot Body
Catalog: Parts: Brick, Round |
| 3941 | Brick, Round 2 x 2 with Axle Hole
Catalog: Parts: Brick, Round |
| 3941 | Brick, Round 2 x 2 with Axle Hole
Catalog: Parts: Brick, Round |
| 17485 | Brick, Round 2 x 2 with Pin Holes
Catalog: Parts: Brick, Round |
| 17485 | Brick, Round 2 x 2 with Pin Holes
Catalog: Parts: Brick, Round |
| 49308 | Brick, Round 3 x 3 x 1 1/3 Dome Top - Open Stud
Catalog: Parts: Brick, Round |
| 87081 | Brick, Round 4 x 4 with Hole
Catalog: Parts: Brick, Round |
| 68325 | Brick, Round 4 x 4 with Recessed Center and Hole
Catalog: Parts: Brick, Round |
| 65138 | Brick, Round 4 x 4 x 2/3 Dome Top with Hole
Catalog: Parts: Brick, Round |
| 65138 | Brick, Round 4 x 4 x 2/3 Dome Top with Hole
Catalog: Parts: Brick, Round |
| 88293 | Brick, Round Corner 3 x 3 x 2 Dome Top
Catalog: Parts: Brick, Round |
| 49612 | Brick, Round Corner 4 x 4 x 2 2/3 Dome Top
Catalog: Parts: Brick, Round |
| 76795 | Brick, Round Corner 5 x 5 with Slope 45 Edge without Studs
Catalog: Parts: Brick, Round |
| 24599 | Brick, Round Corner 5 x 5 x 1 without Studs
Catalog: Parts: Brick, Round |
