Mega Construx Halo Capture the Flag Construction Set, Building Toys for Kids. Put on your helmet, Spartan, and get in the game. Its winner take all when you build this Capture the Flag construction set based on the classic Halo multiplayer game mode. Featuring a collectible blue Spartan helmet, this construction set also includes 2 micro action figures that race to claim the other's flag. When the victor's been crowned, pack up the pieces inside the helmet, or display the set alongside your other trophies. Ideal for Probuilders, 8 years old and up.