A normal adult is the size of a basketball, so that dekayukkuri is probably a little bigger than a beanbag chair.
Yukkuri (adult)Bigkkuri (adult)Cigarette boxDekayukkuri (Bigkkuri)
Modified yukkuri product, the size is bigger than normal yukkuri!
As weak as usual!
The upkeep cost for food is very high, so not recommended for beginners!