Grumblies Hydro


In Stock


Leeds Birstall

8 In Stock
Available only in store.
Smyths Pre-order Price Promise
Smyths Pre-order Price Promise
Smyths Pre-order Price Promise
Smyths Pre-order Price Promise
Free Home Delivery on this item
Free Click & Collect on this item
Age Suitability: 5 Years +


  • No nurturing here! Poke, shake, tilt and roll them
  • The more you mess with them, the angrier they become
  • More than 40 different reactions and custom sounds
  • Each Grumblie has his own personality, sounds, and design
  • Tons of hidden features and sounds for kids to discover
  • Full Try-Me mode with batteries
  • Batteries Required: 3 x AA (included)

Product Description

Grumblies live secretly hidden from mankind. Short-tempered and mischievous, bands of Grumblies create supernatural chaos such as earthquakes, volcanos, and tsunamis! Some have tried to separate and tame them but be warned, messing with Grumblies could lead to an epic MELTDOWN!

EU Warning:   Not suitable for children under the age of 3 years due to small parts which could cause a choking hazard.

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