LEGO [Space] - Tripod Invader Building Set - Alien Conquest Series (7051)Step into the center of a sci fi showdown with this thrilling LEGO Tripod Invader set from the Alien Conquest series! As panic spreads across the city, a towering alien machine descends from the skies, bent on capturing Earths citizens. With flexible legs, an ominous laser cannon, and a high tech detachable saucer, this extraterrestrial walker brings heart pounding fun to your alien invasion adventures. Get ready to construct a fearsome alien vehicle