LEGO Mars Mission ETX Alien Infiltrator by LEGO. $104.99. Open the mining robot to put an astronaut at the controls. Mining robot has a drill, tools and measures 4&quot; (10cm) tall. Contains 333 pieces. Convert the attack ship into a combat walker, attack ship measures 13&quot; long; when in combat walker mode it?s over 8&quot; tall. Includes alien, alien commander and two astronaut minifigures. From the Manufacturer                Careful, astronaut – your scanners may de...