この人形は君一人で作ったの？

this (something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)

doll; puppet; figure

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

you; buddy; pal; monarch; ruler; sovereign; (one's) master

one; best; first; foremost; beginning; start; bottom string (on a shamisen, etc.)

-ian (e.g. Italian); -ite (e.g. Tokyoite); indicates nationality, race, origin, etc.; -er (e.g. performer, etc.); person working with ...; indicates expertise (in a certain field); (usu. in compound words) man; person; people

indicates location of action; at; in; indicates time of action; indicates means of action; cause of effect; by; and then; so; indicates continuing action; indicates certainty, emphasis, etc.

to make; to produce; to manufacture; to build; to construct; to prepare (food); to brew (alcohol); to raise; to grow; to cultivate; to train; to till; to draw up (a document); to make out; to prepare; to write; to create (an artistic work, etc.); to compose; to coin (a phrase); to organize; to organise; to establish; to found; to have (a child); to make up (one's face, etc.); to fabricate (an excuse, etc.); to form (a line, etc.); to set (a record); to commit (a sin, etc.)

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question