Image Item No. Description  30151pb04  Brick, Round 2 x 2 x 1 2/3 Dome Top with Sentinel Face Pattern Catalog: Parts: Brick, Round, Decorated  87081pb002  Brick, Round 4 x 4 with Hole with Water Level Window Pattern (Sticker) - Sets 8189 / 8191 Catalog: Parts: Brick, Round, Decorated  87081pb001  Brick, Round 4 x 4 with Hole with Water Level Window Pattern on Both Sides (Stickers) - Set 8188 Catalog: Parts: Brick, Round, Decorated