Answer: Hello brother,
I feel that you should come to visit my school! You should come because there are a lot of fun activities such as baseball, dodge ball, tag, etc. and they have great food such as pizza, stir fry, lasagna etc. It's a lot of fun here, so come visit me!
Love,
Your sibling :)
Explanation: Thsi letter is just my version of what I would write, but you can use it as a outline to help you with your letter. Have a nice day! :)