Kooky Klicker pens are a collection of fun, colorful pens that have unique faces and crazy hair. Each has their own name and is a member of a Krew, which is kind of like a little family. Kids use them to write with and also collect and trade with their friends. A lot of kids use them to clip on their book bags or use as key chains. Set of 4 Includes : – SPIDER-MAN #001 – IRON MAN #002 – HULK #003 – SPIDER-MAN BLACK #004