Introducing the squishiest, stretchiest gooiest superheroes ever! Use these Marvel Superheroes to defeat evil and save the day! Your Heroes of Goo Jit Zu Iron Man is filled with oozy, stretchy red glitter goo! See how far you can stretch him then watch as he returns to his original form. Suitable from 4 years. Warning! Choking Hazard. Not suitable for children under 36 months. Choking Hazard (small parts).