500 Self Adhesive Foam Spooky Eyeball Shapes | Outer Space Crafts Spooky eyeball foam shapes for monster and halloween crafts. This big value pack of self-adhesive eyes have a huge range of uses. Why not try them with our paper bags to make monster puppets? Or stick them on balloons at Halloween for some spooky decor? 500 pieces per pack, size vary but as a guide the orange eyeballs are approximately 7.5cm across.