Grumblies live secretly hidden from mankind. Short-tempered and mischievous, bands of grumblies create supernatural chaos, such as earthquakes, Volcanos, and supernatural chaos!

Product Features

• Hydro loves water, but loves waves even more, his grumbling sends tidal waves out to the shore. Beware if surfing’s your favorite hobby, he may rumble up a giant Tsunami!
• No nurturing here – Poke, shake, tilt and roll them
• The more you mess with them the angrier they become, try to get them to full meltdown mode!
• More than 40 different reactions and custom sounds
• Each grumblie has his own personality, sounds & design