Marbles

Marbles is an unlockable passive item added in Booster Pack #5.

Effect

 * Spawns 3 random trinkets.
 * Taking damage has a 5% chance to swallow Isaac's currently held trinket, gaining its effect permanently.

Trivia

 * Marbles is based on this Steam Workshop item by Amethyst and Bustin Blotch.
 * This item is used in Pica Run (challenge #41).
 * This item is a reference to how marbles and small toys are often swallowed by children.