Dark Dummy Sparks (ダークダミースパーク Dāku Damī Supāku?) are transformation devices carried by Alien Valky which is an opposite of the Ginga Spark. The Dark Dummy Sparks seem to be inferior copies of the Dark Spark which turned all the Ultras, Aliens and Monsters in to Spark Dolls. Its light counterpart is the Ginga Light Spark.