T-Rex skull resin ornament with air connection. Suitable for use in any type of aquatic tank, but can also be used in a reptile terrarium or invertebrate enclosure - however the air feature will only work in water. Size: 12.5cm x 7cm x 8cm Connect an airline for the water feature to work (airline sold separately). A great way to give your animals something cool to look at, whether you use it under water or on it's own!