Your Dexterity score increases by 3 and your constitution score decreases by 1.

Fairies range from 5-8 inches tall. Your size is tiny.

Your base walking speed is 5 feet. You also have a flying speed of 35 feet.

Accustomed to twilit forests and the night sky, you have superior vision in dark and dim conditions. You can see in dim light within 60 feet of you as if it were bright light, and in darkness as if it were dim light. You can't discern color in darkness, only shades of grey.

Because of your relative size to everything else, you are better at noticing details that would seem small to others. you have proficiency in the perception skill.

You have advantage on saving throws against being charmed, and magic can’t put you to sleep.

You can speak, read, and write in Common and Sylvan.

Between your small size and your maneuverability, enemies have a hard time hitting you. However, if you do get hit, the damage done will probably be worse than to a creature of larger size.