Transparent
The scooter you made out of grains, and are about to ride down the stairs with, is completely transparent. You mashed the grains down so fine that you can see through them! And then you made them into a scooter.
とう
す
None
You slip, the transparent scooter scoots down the stairs without you and into the streets of とうとうきょう. Nooo! Transpa-scootie come back!