Riddle me this: what is the way to guarantee you have the best Riddler costume at any party? Here's a hint: use this officially licensed Riddler Makeup Kit! This kit includes neon green faux eyelashes, four sparkling eyeshadows in light green, neon green, dark green, and black, 9 temporary Riddler question mark tattoos, a purple eye pencil, and two sponge shadow applicators to ensure no one is questioning who you are this Halloween!