Experiment of Dr. Ryoichi Noma It is a film canister rocket, the second discharge experiment step. As foaming material, I used the bath articles, but seemed to decide to use "sodium bicarbonate" by suggestion of daaasakai this time last time. ・ ・ * By the way, this animation ... I, DIY hobby / Tetsu do not participate at all! I photographed it by oneself, and a child seemed to edit it. Is what comes out by a lever how ...