This is a completed action toy designed for collectors.
From the official Schallyders website (http://www.takaratomy-arts.co.jp/specials/schalliders/):
On the planet of Sushilias, which is similar to our own world but not quite the same, live the sushiroids, mechanized beings based on everyone’s favorite Japanese food: sushi!
There are two tribes, nigiri and makare, which initially lived quite peacefully, but one incident led to chaos.
Fear not--Team Schallyder is here! Five bold nigiri Rangers who seek to maintain peace throughout the world. Their foe is the Makare Gang, a secret makare organization.
Both sides regularly engage in fierce battles over a certain traditional sushi ingredient.
Simply press on the topping or filling to instantly transform the sushi into a sushiroid! Benni is the brains of Team Schallyder, and a rough-and-tumble fighter as well!