Subject matter: 5 stars
Build stability: 5 stars (other parts don't fall off when adding a new part)
Nice Part Usage: 5 stars
Instructions: 5 stars
Everything fits together solidly, the only studs showing are the ones the artist wanted. No missing parts, great clutch strength. A very well designed set.
Knocked a star off because multiple bricks used for internal construction are showing in the back. Also, the engine is not designed to seat properly. While Powerbuild acknowledged this, no fix h...