Don't make them meltdown!
Grumblies are interactive creatures that react when you poke, flip & shake them. The more you mess with them, the grumblier they get!
The Legend of the Grumblies
Mischievous and short-tempered, Grumblies’ powerful tantrums are the root source of mother nature’s awesome power!
5 Types of Grumblies
Fire Grumblies are quick to blow their tops, creating lava-spewing volcanoes and magma flows.