Choose one score to increase by two, and one score to increase by 1

Driders age at about the same rate as elves.

Driders are inclined towards chaos. While most Drider tend to an evil alignment due to their exile as drow to the Underdark and the curse that was cast upon them. 

Driders stand between 7 and 8 feet tall, with their arachnid bodies reaching 4 to 5 feet at their thorax.

Your base walking speed is 30 feet.

You can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check. You gain a climbing speed equal to your walking speed.

Your creature type is monstrosity, instead of humanoid.

Due to your fluid movements and keen eyes, you are a true predator of the night. You have proficiency with Stealth, and Perception.

You can speak, read, and write Common, Elven, and Undercommon. Elvish is fluid, with subtle intonations and intricate grammar. Elven literature is rich and varied, and their songs and poems are famous among other races. Many bards learn their language so they can add Elvish ballads to their repertoires. Undercommon was a trade language spoken by the majority of intelligent races native to the Underdark.

You have darkvision with a radius of 120 feet. 

You have disadvantage on attack rolls and on Wisdom (Perception) checks that rely on sight when you, the target of your attack, or whatever you are trying to perceive is in direct sunlight

You know the dancing lights cantrip. When you reach 3rd level, you can cast the faerie fire spell once with this trait and regain the ability to do so when you finish a long rest. When you reach 5th level, you can cast the web spell once with this trait and regain the ability to do so when you finish a long rest. Charisma is your spellcasting ability for these spells.

You ignore movement restriction caused by webbing.