KRE-O Transformers Age of Extinction
Micro-Changers Combiners Grimstone Construction Set

By Jorge Figueiredo - December 27th, 2014


Hasbro’s KRE-O have been creating Transformers-based build kits for a few years now; but this is the first set that I have seen that is dedicated entirely to Kreons that can be created in multiple configurations. The Transformers Age of Extinction Micro-Changers Combiners Grimstone Construction Set (say that five times fast!) is a neat product that allows you to construct either: four robots, four vehicles, or one giant Combiner robot. It is definitely a fun toy for kids to play with.

The Grimstone Construction Set comes in a box with a number of sealed plastic packages (each package tends to contain pieces related to a specific construction phase or larger object – in this case, each case has the pieces related to each Kreon). At 100 pieces, the Grimstone Construction Set is not the most complicated model that you are going to find; however, there may be times that younger kids will become frustrated due to difficulty in attaching some of the pieces together. It’s certainly not a bad thing (in fact, having a snug fit is an advantage) – but Smallest Thumbs and I like to lay all of the cards on the table.

Four different Kreon figures or vehicles can be built. Each character (Mollox, Fracture, Crackback, Ironeye) is easy to put together thanks to clear instructions. As per the other KRE-O sets we have reviewed, these figures do not actually transform from one from robot to vehicle (or vice-versa), they have to be taken apart and put back together in their other form. While this may not be exactly what you might expect from a toy with the Transformers label, it’s still a great toy, as it essentially doubles the build challenge – triples, if you consider that all four of these characters can be built into a “giant” robot.

Grimstone is off to go tenderize some meat.

Admittedly, this toy was not Smallest Thumbs or my jam. Both of us like challenges when we play with building toys, and sadly, at 100 pieces (split four ways), this isn’t that much of a challenge. Of course, if you have a younger kid (say, 6 or 7) who likes robots, this set may be a great way to get them started on this particular genre (as pretty much every kid somehow knows what Transformers are)

At $10, this set is definitely not a bad start for kids just learning the ropes when it comes to the Transformers universe. One of the nicer things about this genre is that once the kids are too old to enjoy the default models, they can use the pieces with other KRE-O sets (as well as other popular block kits) to create whatever they want. It’s kind of win-win.

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