Как правильно написать небольшое сочинение про магнитики I have…?

Как правильно написать небольшое сочинение про магнитики I have a small collection of magnets. I sometimes play with them. they hang on the refrigerator. Ihave them 99 pieces. they are very interesting, different shapes. magnets have a fruit cities. they are not only beautiful but also useful. we attach their notes. Правильно ли написано?