The idea is good. It has an ice cube tray, which is in the upper part made of hard plastic and thus very stable and at the bottom to push out soft silicone. Unfortunately, it fails in practice because the ice very firmly freeze in the tank and thus succeeds the dissolution only under excessive force. If you want to have a few ice cubes in a glass straight from the container, then to develop the live bullets to firmly come loose and then fly through the air. Also, keep it under running water helps not really admit the price is attractive but happy I am not become.