incorrect price

My wife & I went to shoprite lenasia signet,my baby liked a winnie the pooh teddey bear the price stated R149.99 so we took it when we got to the till it scanned R299.99, my wife objected & said it stated 150 , the cashier sent the packer to see the price with my wife , they returned with the barcode showing 150, they then called the sales manager he said the price was not for this teddey bear ,we said but thee is no other price there , & we want to pay that price he said the name does not so we can't pay 150 , we said ok , as a customer we disappontted as there was no other prices @ that spot , the price we see was the price we suppose pay its not our fault incorrectley marked