Financial talk

Okay so all of the 8th graders that are leaving for high school have decided to do something for our music teacher (band director..whatever) There is about 15 of us 8th graders in the class that it is being done. Anyhow, we wanted to all pitch in money and get a bouquet of flowers, a card, and have someone write a heart-felt poem about the times we have had with her...(we are making it dramatic, she loves that stuff) So should we buy her some flowers and try and sneak them in the band room with the card and poem inside....OR should we have a flourist deliever them to the school for her and have them write the poem, and give the card after she recieves it. I kind of want it to be delievered, BUT how much would that cost you think? To have the flowers, have them delievered, and a poem written and stuck in? If it is too much that wouldn't be the route to go, but remember, there are about 15 of us..maybe more. Should the bouquet be big or small? What kidn of flowers and such? Help!