Voltorb

“Usually found in power plants. Easily mistaken for a POKé BALL, they have zapped many people.”

— Pokémon Red

“It is said to camouflage itself as a POKé BALL. It will self-destruct with very little stimulus.”

— Pokémon Yellow

“It rolls to move. If the ground is uneven, a sudden jolt from hitting a bump can cause it to explode.”

— Pokémon Gold