Sound Brick 2 x 4 x 2 Light Bluish Gray Top with Dinosaur Roar Sound

Reference

55206c02

Sound Brick 2 x 4 x 2 Light Bluish Gray Top with Dinosaur Roar Sound (part 55206c02) is a LEGO element. CollectORbuild's catalog records it in 1 set, including Monster Dino.