Merc, a Mechanically Emotionally Responsive Creature, is Miles" best friend, confidante, and protector. Merc shares in all of Miles" space adventures where his telescopic eyes always come in handy to help accomplish space missions. Maximum Miles (sold separately) can ride on Merc"s back to travel throughout space. When safely on a planetary surface, you can bend Merc"s legs up to reveal his wheels and drive around. Everyone should have a pal like Merc around!