I wasn't sure what to get you but I hope you like it.
(If you don't like it, you can always change it.)
Hold out your hands and close your eyes!
(Then you place the present into the person's hands.)
What to say when you receive a present
Thank you so much! It's lovely / fantastic / wonderful.
It's something I've always wanted!
It's just what I've always wanted!
Wow! What a thoughtful present!
You shouldn't have