6241 Joker's Hideout is a set based on Batman. It is for Joker's Hideout. It has 7 minifigures. It also has a toxic waste pit, cards for the Mad Hatter, bug wings for the Killer Moth, Harley Quinn's Hammer truck, and the Scarecrow's plane. Scarecrow's plane has some scare bombs, too. The Joker has a toxic waste pool and the Mad Hatter has a card stack.