In zero gravity: What will happen if you put dry ice in water? / What will happen if you eat ramen? / What will happen if you open a confetti ball? / What will happen if you run an electric fan?
If you stick together cut halves of a melon and watermelon and leave it, how will it grow? / What happen if you stick various vegetables in various-shaped molds and leave them?
Can you go down-river and reach Tokyo Bay in a leaf boat?