My oldest son bought this for my youngest son their both satisfied with it, and it will be a challenging build for them. Just looking I did not see any flashing and details seem great, this will make a great addition to his collection, I don't know the cons yet as they haven't started this project yet.

2 in 1, you can't beat that! You know you're getting a project when you feel how heavy this kit is, a lot of detail! Great project kit.

None of the pieces of the bulldozer are numbered. This looks like it might have been a defective set. Hopefully I can navigate my way through the instructions.