Throwing a robot birthday party? These light-up key chains are perfect party favors! Silly cyborgs love playing with these fun flashing key chains, which are handy when you're trying to locate a certain key in the dark. These rad robots are also great giveaways at school carnivals, or stock up and hand them out to trick-or-treaters as safe alternatives to sugary Halloween candy. Plastic. 2" x 2 1/2"