James: You gave him some prank devices from Zonkos, sweets from Honeydukes and organise a party in his common room for him.

Sirius: You buy him different vinyls of your favourite bands for him to listen to and tickets to a concert of a band he likes.

Remus: You buy him muggle books that you think he would enjoy and a jar of compliments and reassuring words that he can read when he needs to.

Peter: A massive box of sweets from Honeydukes and a new cooking apron that is a mix of red and yellow (both of your houses together)

Regulus: You give him a collection of photos you had taken of the two of you over the years and a bracelet with two charms such asa snitch inscribed with his initials and a quaffle inscribed with yours.

Lily: You buy her some cookbooks because she wants to learn how to cook and take her out to wherever she wants to go for the day.

Marlene: You buy her the heeled boots she had been wanting from a muggle store, many chocolate frogs and Bertie Bott's Every Flavour Beans.