green plush toy that resembles a Brussels sprout or a slime character.

This is a green plush toy that resembles a Brussels sprout or a slime character, similar to those found in collections like Noodoll's Ricemonsters or Youtooz's Rad Slime Stickies 

This item features embroidered black eyes and a smile, with small pink circles for cheeks.

It appears to be a plush cushion or a "stickie" plush designed for decoration or soft play.

Similar items are frequently released in collectible series, such as food-themed plush sets.