This is a great example of magicians choice being used to it's maximum effect. One of the few I have
seen that so cleverly disguises the possible outcomes (yes, there are multiple). I can also see
doing this with objects and the banner having photos of the items. If you do kids shows (not the
best trick for kids), you could use letters or candy. The banner should be inexpensive or you could
easily fabricate it on your home printer and tape the sheets together if your budget minded. You
will need to make the tube but those materials are no more than $20.00 and you could probably beg,
borrow and well... beg or borrow.