Build for any engagement in this Prototype when you choose from several multi-weapon configurations.
.Collect all 3 in the series and build an even stronger faction! HALO Mega Construx 81 Piece Building Set | Mark I Prototype Exosuit Then, man the suit by fitting the included UNSC Marine micro action figure inside to edge out the enemy’s force! Level up, Marine! Strengthen your UNSC forces when you upgrade your exoskeleton’s armor with a powerful, buildable Mark I Exosuit. Suit up for the ultimate deployment with a buildable Mark I Prototype exosuit! Ideal for Probuilders, ages 8 and up.