Have enough batteries to avoid toys not working on Christmas Day. Whether it’s a robot dinosaur, a family game or a doll, the  Toy Retailers Association list of what the most popular toys are expected to be this Christmas reveals many in the top 12 use batteries. As youngster draw up Christmas lists, check if toys come with batteries and what type they need – eg alkaline batteries. Have enough batteries in reserve so toys don’t run out of power too soon. And don’t forget adults, their presents may need batteries. Watch:…