Image Item No. Description  553px3  Brick, Round 2 x 2 Dome Top with Black Spots on Bright Light Yellow Pattern (Buzz Droid) Catalog: Parts: Brick, Round, Decorated  553px4  Brick, Round 2 x 2 Dome Top with Silver and Black Pattern (R4-P17) Catalog: Parts: Brick, Round, Decorated  3941pb02  Brick, Round 2 x 2 with Axle Hole with Octan Pattern (Sticker) - Set 6551 Catalog: Parts: Brick, Round, Decorated