Love Ice Box is one of Doraemon's gadget in the 1979 anime series.
Appearance[]
The gadget is a square or rectangular shape with 6 Hearts inside of the box and a microphone right beside it.
Function?[]
When using this gadget, it makes that person will fall in love with you instantly plus a background music that will lighten up the mood too. To make this gadget work, you gotta record your name, the heart ice cube will start growing. When it's done filling up, place it on the freezer to harden the Heart Ice Cubes for a few hours or a day. After that, you can take the Heart Ice Cube and give it to anybody around you.