Description: "When Gizmo heard that his malevolent off-spring Stripe had been pulled into the battle for the Multiverse, he followed immediately to stop him. Gizmo has always been a hero: Whether it ...

You’re in the market for a “Gizmo.” A shop has five Gizmos available to buy, but the shopkeeper has bad news: two of them are malfunctioning, and she doesn’t know which ones are working and which ones ...