With 359 bricks and other construction pieces, you can build your own battle against alien invasion! Build an alien ship and firing weapons for your KREON figures! Your Alien Pilot and Alien Gunner figures can attack the base while your naval figures defend the Earth from these invaders! Look inside the package for weapon building ideas. Build and rebuild their weapons for exciting blasting action in the sky, on the ground or in the water! Ages 7 to 14.