They have to be picked up and thrown, and upon contact with an opponent or surface, they open and release the items inside.
Directly attacking the container also releases its content. Explosive: These items, as the class implies, violently explode if attacked enough, dealing high damage and knockback.Doing the latter is risky, as the item may explode instead.
Final Smash: A unique class that only includes the Smash Ball.Though there are multiple exploding items in the game, most of the fall under the throwing-class. Gear: These items are worn directly by characters right after picking them, granting peculiar attributes.Attacking this item until it shatters will allow the player to perform the character's Final Smash once.