This clever collectible activity allows you to make your very own light up liquid glitter pen! The floating "Pen Pal" character, Aloha Mer-Kitty, gives each pen personality. Add in the glitter, plastic beads, printed plastic shape and mineral oil and screw the pen shut. Watch Mer-Kitty swim up the pen as the other elements cascade to the bottom. Pen lights up when you press to write! You will want to collect all 4 styles!