We purchased and constructed the Chopper Strike, RIB Beach Assault, and Mountain Recon Call of Duty Mega Bloks sets. The three sets were fairly easy to put together, although the Chopper Strike set was missing a couple of critical parts and required some workarounds to build up. The “super poseable micro action figures” are also a bit of a pain to snap together, and they come loose easily when handled, especially at the torso/leg joint. It’s pretty cool, however, how detailed they can be, with all the gear options they can be equipped with. Also, the faux-M4s the figures come with can swap magazines, stocks, and barrels, and can be further accessorized with scopes and suppressors.
Overall, I would have preferred the sets had more of a LEGO-level quality to them, given they are Mega Bloks brand, but if you like your building block sets with a more military oriented focus, then these aren’t a bad option.