IMPROVEMENTS IN LIQUID DISPLACEMENT DEVICES
A liquid displacement device for a toilet cistern, comprises one or more containers adapted to displace a liquid within a toilet cistern; a hook for suspension of the containers within the toilet cistern, the containers being attached to a first end of the hook; wherein a second end of the hook comprises a novelty device for engaging a user, suspended outside the cistern. Optionally active alerts may be provided, for example for producing an audible alarm. In an alternative embodiment a display indicates the total amount of water saved.