As you may have guessed from my avatar, yes, I do this. It's a lot of fun, but be careful about making pysanky with children as they get really frustrated when they break eggs (as they frequently do)!
Straight lines are hard--best to start with free form/scatter-type designs. Beeswax works...
I did buy a ChickNBarn last year, at full price! : (
It sounds like you're getting a great deal. That having been said, I wouldn't buy another. We used it for four chickens and found that the barn was big enough but the run was marginal. The wood has warped (no surprise, it is wood)...