I thought about making her a pincushion that looks something like a water lily and then giving it to her as a gift. After opening it, I could say "Oh, wait a minute. There is a second part to this lily present." Then I could bring it out.
Otherwise, I thought about setting it on my sewing table with a big wrapped box over it and then lifting off the box saying "Surprise!" I have the original packaging so I could just wrap it too.
Keep the ideas coming. I love them! You are all so creative.