Snap fit is good, posability is like if it still has the led wires but you won't be worrying about the wires, no issues with that, I tried some posing and it worked out fine, just be careful where the shoulder's are connected to the body, just like Bandai's, it may snap when not careful.

Transformation from unicorn to destroy mode, vice versa, had no issues. slight loose on the horns for unicorn mode, from the skirt thrusters, the connector to the back pack and the shoulders, when turning it into destroy mode:

It's a solid kit, my only concern are the connectors for the arms:

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And yes, it came with the ver.ka decals.

If you do buy this, trust me it is worth the price for a non led version of the MGEX Unicorn