suit up like spider-man with the spider-man hero fx mask, featuring motion-activated sounds and phrases! kids can push the button on the mask and shake or move it to activate spider-man phrases and web-slinging sound effects! the spider-man hero fx mask includes a flexible band to fit most kids, so heroes-in-training can imagine suiting up and swinging into the web-slinging action!requires 2 x aaa batteries (included).