Ok its badged as free but not quite..first you need to call 0904 063 0525 TODAY OR YESTERDAY @30p/minute to register your name / address and you are given a code.Unless you speak really slowly then call will only be 1 minute long!!
Then collect 3 out of 4 tokens published in mail on sunday and send cheque for p&p £2.92 aong with your code you get by registering. The monitor is currently 29.99 @ tesco direct.
If you already buy the mail on sunday it will cost you
if you dont already buy it then it will cost you £2.92 p&p + 30p phone call + 3 mail on sundays @1.50 each =£7.72