your face shows quite clearly the excitement !!
ok, i've never tried one of these, does it go up like a rocket ??
mmmmmmmmm......

...and the background colours are fantastic

it doesn't go up like a rocket...the bottle stays in place. but the soda basically all comes out of the bottle. when it's over, and most of the soda shoots out, you only have like, an eighth of the soda left in the bottle!