Funrarity Secret Message Invisible Ink Pen with UV Black Light (Set of 4)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Requires 3 AG3 Button Cell Batteries (included) </span></li><li><span class="a-list-item"> 4 Assorted Color Pen in one package </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41B8WKYWY1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31WWwc%2Br%2BxL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Bu6i-T8sL.jpg" noproxy>