More like a 3.5.
5 Words: children, magic, spells, honesty, learning.
At first I couldn't stand the twins. They were so spoilt, so selfish, such little brats. But then I put on a sing-song voice and I disliked them a little less.
This is not a story I'd personally recommend. There are better witch stories for kids out there. Nevertheless, this was quite fun and it teaches a valuable lesson: don't be a brat.