They write well and the erase magic really works! My three year old loves, he made a card for grandma and we use the erase pen to write his birthday message, work out great. Be careful that they don't press to hard as the end are a little breakable, but most felt pens are.
I used these pens to help draw a red sports car. I can’t really comment on all the colours as I mostly used red and a bit of black for the tires but these were on par with the more expensive pens i usually use.
If you want to draw a red sports car I 10/10 recommend. If it’s a blue, yellow, orange or even a green sports car then I am sorry I cannot guarantee you’ll get the same results.