Image | Item No. | Description |
| 71075 | Brick, Round 1 x 1 x 1 2/3 Catalog: Parts: Brick, Round |
| 30151 | Brick, Round 2 x 2 x 1 2/3 Dome Top Catalog: Parts: Brick, Round |
| 30361c | Brick, Round 2 x 2 x 2 Robot Body - with Bottom Axle Holder x Shape + Orientation Catalog: Parts: Brick, Round |
| 57587 | Brick, Round 7 x 7 x 4 Dome Top Catalog: Parts: Brick, Round |
| 3063 | Brick, Round Corner 2 x 2 Macaroni with Stud Notch Catalog: Parts: Brick, Round |
| 48092 | Brick, Round Corner 4 x 4 Macaroni Wide with 3 Studs Catalog: Parts: Brick, Round |
| 47974c01 | Brick, Round Corner 4 x 8 Full Brick Double with 2 Fixed Rotatable Friction Pins Catalog: Parts: Brick, Round |