Artem's museum interview

These are the results from my interview with a child accompanied by his grandfather.

Is this your first time here? 
Grandpa: no.
The child: yes.

Have you asked the workers for help?
No. (both)

Have you had difficulties with navigating?
No, everything's easy. (both)

Impression?
The child: Some things here are weird.
(He didn't specify what)

Why did you come here? was there something special you wanted to see?
The child: I don't know.

Grandpa:  I took him here because we're a "technical friendly family" and I wanted to show him this place.

Observation:
The child had difficulties using the excavator, shown below: