Learning Resources Weather Centre. This three-in-one weather set includes a barometer, hygrometer and thermometer; all in the one carry case. Each piece of apparatus can be easily removed from the outer casing and used individually. Set includes three removable stands for the weather centre instruments when they’re not in the carry case. Barometer, hygrometer and thermometer each measure 7.5cm. Thermometer shows both Celsius and Fahrenheit measurements. Includes Activity Guide to extend the learning. Suitable for ages 5+