Kamen Rider Mini Figure Kamen Rider OOO Kamen Rider Fourze Stamp Strap Glows Set of 2 The red stamp lights up when pressed, but the green one doesn't seem to light up, possibly due to a dead battery. I don't know if the battery can be replaced. To prevent the lids from getting lost, both are secured with cellophane tape on one side. Due to aging, the stamp ink is quite faint. It barely leaves a mark even when pressed firmly, so using your own ink pad is recommended for better results. Please purchase only if you understand the above points. Shipping will be via Yu-Packet Post Mini.