NO DELIVERY AND NO RESPONSE

i had ordered a kids backpack from groupon on the 09/12/2015 and it was paid for the same day, i received a mail to say order was confirmed with Groupon code: ***<br> Security code: 8A44163C01. i tried calling them and the guy that helped me gave me a tracking number to track the parcel and till today it shows nothing that it was shipped, i didnt get a mail saying it was shipped or to notify me of a delay. i tried calling the call centers numerous times and it says we must send a email as they are very busy , i sent a mail on the 21/12/2015 and have had no response and sent one today still no response. they havent being notifying me of anything in regards to weather they have stock or if there is a delivery delay, this was bought as a gift for Christmas!! i am appaulled at the service from Groupon.<br>