Search:

Actually... Your translation does not mean entirely the same thing.
'You're doing pretty well, already' would be a better translation.
It is sometimes tempting to translate the meaning of the words...

Isn't polystyreen known in Dutch as 'piepschuim'? :)
In other words, I doubt it would be strong enough.
PE might work.

For scales, I always use hardwood. You should be able to get saw-ends...