Blue electric spheres look exactly like their name describes them, with being a light blue sphere, that has blueish white electricity around them.
Blue electric sphere move back and forth in a set pattern, and will take away one of Black Ball's hearts if he touches them. They move mainly on blue lines and at a moderate speed, and will push Black Ball when he hits them. Black Ball can move on the lines they are on. The spheres are often easy to avoid but on level twenty-eight of Twang, they are placed in such a position that they makes them hard to avoid.