Marvel Superheroes and the Heroes of Goo Jit Zu have combined forces Introducing the stretchiest, gooiest and squishiest Superheroes ever. Use these Marvel Superheroes to defeat evil and save the day. Your favorite Heroes of Goo Jit Zu character is filled with oozy, gooey slime or goo. See how far you can stretch him then watch as he returns to his original form. Suitable from 4 years. ONE SUPPLIED