Waiting for Order since Decemeber/ Refund??

Placed order online was promised delivery for 18th December, then January then February, still waiting everytime, have been given invalid DHL tracking numbers from them, have been told order has been sent out 3 times,,, Now promised full refund NOTHING !!!<br> <br> I spent GBP 122.5.00<br> <br> Had upset kids at Christmas re no delivery !