Kids Love Model Trains
These are intangibles which can only be tackled in game design and storyboarding, not by any company policy.
As an expat in a land with different culture, you have to know initial al the things about by toys by observing. I would regularly try to appear at the 3D screen and try to see a 2d picture, but it was messing with my brain. Allow them have the toys on the plane or in the car.