Franzis 65344 fm radio advent calendar no soldering franzis 9783645653442 p the franzis fm radio advent calendar is a must have gift for your favourite technophile at christmas the format is familiar but the contents are very different with a radio component behind each door each one has its own activity to demonstrate how it is used electronically and gradually the radio builds up until it is complete on christmas eve but you are not kept waiting that long for the radio advent calendar