Wrong item delivered

I called customer care Kalahari to confirm if I could order the silvermist doll as it was showing a picture of another doll (tinkerbell) but the description said silvermist. She confirmed that it was an error on there side with the picture and I could go ahead and order the doll and I would receive silvermist. I ordered the doll and received tinkerbell. After calling Kalahari I was told that i would have to process a refund online and then the courier would need to collect and then I would have to wait 7-14 days for a refund. It wasnt even my fault and I am disappointed in the service even after calling them to make sure the doll was available then the warehouse still sending out the wrong doll. Apparently the doll was out of stock and so sent something else. I now have to wait two weeks for a refund when they could have just told me that the doll wasnt available.