| Image | Item No. | Description |
| 3062 | Brick, Round 1 x 1
Catalog: Parts: Brick, Round |
| 3062a | Brick, Round 1 x 1 - Solid Stud, Bottom Lip
Catalog: Parts: Brick, Round |
| 3062old | Brick, Round 1 x 1 - Solid Stud, No Bottom Lip
Catalog: Parts: Brick, Round |
| 20952 | Brick, Round 1 1/2 x 1 1/2 x 2/3 Dome Top
Catalog: Parts: Brick, Round |
| 5610a | Brick, Round 1 x 1 Ball with Cat Ears
Catalog: Parts: Brick, Round |
| 71076 | Brick, Round 1 x 1 d. 90 degrees Elbow Macaroni - No Stud - Type 1
Catalog: Parts: Brick, Round |
| 7532 | Brick, Round 1 x 1 Quarter
Catalog: Parts: Brick, Round |
| 6331 | Brick, Round 1 x 1 with 3 Diagonal Bars
Catalog: Parts: Brick, Round |
| x12 | Brick, Round 1 x 1 with Ball (Finial)
Catalog: Parts: Brick, Round |
| 4588 | Brick, Round 1 x 1 with Fins
Catalog: Parts: Brick, Round |
| 71075 | Brick, Round 1 x 1 x 1 2/3
Catalog: Parts: Brick, Round |
| 6908 | Brick, Round 1 x 1 x 2/3 Dome Top
Catalog: Parts: Brick, Round |
| 7818 | Brick, Round 1 x 1 x 2/3 Half Circle Extended with Curved Top
Catalog: Parts: Brick, Round |
| 3386 | Brick, Round 1 x 1 x 2/3 Half Circle Extended with Stud on Side
Catalog: Parts: Brick, Round |
| 33286 | Brick, Round 1 x 1 x 2/3 with Flower Edge (4 Knobs on Base)
Catalog: Parts: Brick, Round |
| 77808 | Brick, Round 1 x 2 with Hollow Studs and Open Center with Bars
Catalog: Parts: Brick, Round |
| 7534 | Brick, Round 1 x 2 with Stud on 1 End, Cutaway with Bar on 1 End
Catalog: Parts: Brick, Round |
| 65473 | Brick, Round 2 x 2 D. 45 degrees Elbow (25.5mm Standing Height)
Catalog: Parts: Brick, Round |
| 5489 | Brick, Round 2 x 2 D. 45 degrees Elbow (27.7mm Standing Height)
Catalog: Parts: Brick, Round |
| 8384 | Brick, Round 2 x 2 D. 90 degrees Elbow (23mm Standing Height)
Catalog: Parts: Brick, Round |
| 8081c01 | Brick, Round 2 x 2 D. 90 degrees Elbow (39mm Standing Height)
Catalog: Parts: Brick, Round |
| 7654 | Brick, Round 2 x 2 D. with Axle Hole on Ends and Pin Hole on Opposite Sides
Catalog: Parts: Brick, Round |
| 15395 | Brick, Round 2 x 2 Dome Bottom
Catalog: Parts: Brick, Round |
| 24947 | Brick, Round 2 x 2 Dome Bottom with Studs
Catalog: Parts: Brick, Round |
| 553 | Brick, Round 2 x 2 Dome Top
Catalog: Parts: Brick, Round |
| 553a | Brick, Round 2 x 2 Dome Top without Bottom Axle Holder
Catalog: Parts: Brick, Round |
| 20953 | Brick, Round 2 x 2 Sphere with Stud / Robot Body
Catalog: Parts: Brick, Round |
| 5256 | Brick, Round 2 x 2 with 4 Roots / Feet and Axle Hole
Catalog: Parts: Brick, Round |
| 3941 | Brick, Round 2 x 2 with Axle Hole
Catalog: Parts: Brick, Round |
| 92947 | Brick, Round 2 x 2 with Axle Hole and Grille / Fluted Profile
Catalog: Parts: Brick, Round |
| 17485 | Brick, Round 2 x 2 with Pin Holes
Catalog: Parts: Brick, Round |
| 27266 | Brick, Round 2 x 2 with Spikes and Axle Hole
Catalog: Parts: Brick, Round |
| 5690 | Brick, Round 2 x 2 x 1 1/3 Dome Top with Cat Ears
Catalog: Parts: Brick, Round |
| 30151 | Brick, Round 2 x 2 x 1 2/3 Dome Top
Catalog: Parts: Brick, Round |
| 8100 | Brick, Round 2 x 2 x 1 2/3 Dome Top with Mickey Mouse Ears
Catalog: Parts: Brick, Round |
| 5331 | Brick, Round 2 x 2 x 2 Crystal Facets on Top
Catalog: Parts: Brick, Round |
| 33287 | Brick, Round 2 x 2 x 2 Dome Top with Cross Cut Slots
Catalog: Parts: Brick, Round |
| 30361 | Brick, Round 2 x 2 x 2 Robot Body (Undetermined Type)
X 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 |
| 30361b | Brick, Round 2 x 2 x 2 Robot Body with Bottom Axle Holder (x Shape / x Orientation)
Catalog: Parts: Brick, Round |
| 30361a | Brick, Round 2 x 2 x 2 Robot Body without Bottom Axle Holder
Catalog: Parts: Brick, Round |
| 4591 | Brick, Round 2 x 2 x 2 with Fins
Catalog: Parts: Brick, Round |
| 7037 | Brick, Round 2 x 2 x 2/3 Half Circle Extended with 2 Studs and Curved Top
Catalog: Parts: Brick, Round |
| 74169 | Brick, Round 2 x 2 x 2/3 No Studs with 2 Tile, Round 1 x 1 (Mickey Mouse Head)
Catalog: Parts: Brick, Round |
| 5057 | Brick, Round 3 x 3 D. 45 degrees Elbow with Axle Holes
Catalog: Parts: Brick, Round |
| 49308 | Brick, Round 3 x 3 x 1 1/3 Dome Top - Open Stud
Catalog: Parts: Brick, Round |
| 73111 | Brick, Round 3 x 3 x 2 with Recessed Center and Axle Hole
Catalog: Parts: Brick, Round |
| 6957 | Brick, Round 3 x 6 x 1 Dome Half
Catalog: Parts: Brick, Round |
| 79850 | Brick, Round 4 x 4 Dome Top with 2 x 2 Recessed Center
Catalog: Parts: Brick, Round |
| 6222 | Brick, Round 4 x 4 with 4 Side Pin Holes and Center Axle Hole
Catalog: Parts: Brick, Round |