Product Description Peckish Complete Energy Balls are proven to feed twice as fast as a standard energy ball. Each ball is packed full of 12 different ingredients and added Calvita vitamins resulting in each bite containing 28% more fat than a standard ball. NO MESS and NO WASTE. These suet energy balls can be fed to birds that visit your garden all year round. This energy feed can be fed to wild birds from a ball feeder, bird table or the ground. Use these energy balls to attract Dunnock, Robin, House Sparrow, Goldfinch, Bullfinch, Blue Tit, Greenfinch plus many more birds to your garden. These suet energy balls contain Calvita, a natural nutrient supplement containing calcium and vitamins to help improve a birds overall health.