It appears Knuckles, the guardian of the Master Emerald, has somehow been transformed into a quacking duck Comes in a collector’s bathtub display box, featuring the Sonic The Hedgehog logo and the ability to stack on top of other Tubbz. This officially licensed collectible is part of the TUBBZ range, a highly collectable series pop culture characters in duck form! Collect all of your favourite characters from games, movies, TV shows, and comic books as they come to life as rubber ducks. Approximately 9cm (3.54”) tall when outside of tub display stand (some may vary).