You are made of durable magically enhanced wood. When you aren’t wearing armor, your AC is 12 + your Dexterity modifier. You can use your natural armor to determine your AC if the armor you wear would leave you with a lower AC. A shield’s benefits apply as normal while you use your natural armor.

You are able to squeeze through small spaces easily by rearranging your limbs. You have expertise in Acrobatics.

You are small and nimble, able to move your body is ways people with the restrictions of flesh cant. You can advantage on DEX checks and saving throws.

Wooden Dolls are up to their creator on how tall they are. You can pick between Medium and Small. 

Your base walking speed is 40 feet.

Your character knows at least three languages: Common plus two languages you roll or choose from the Standard Languages table. Knowledge of a language means your character can communicate in it, read it, and write it. Your class and other features might also give you languages.

The Standard Languages table lists languages that are widespread on D&D worlds. Every player character knows Common, which originated in the planar metropolis of Sigil, the hub of the multiverse. The other standard languages originated with the first members of the most prominent species in the worlds of D&D and have since spread widely.

Standard Languages
1d12 Language Origin
1 Common Sign Language 
2 Draconic
3-4 Dwarvish 
5-6 Elvish 
7 Giant 
8 Gnomish
9 Goblin 
10-11 Halfling 
12 Orc