Fat balls are packed with calories, making them an energy boosting treat for garden birds. this recyclable plastic feeder is the perfect size for little hands to carry and easy to open'. '.strtoupper('s')imply fill the feeder with high quality fat balls, click the lid back on and hang it in your garden close to trees or shrubs, to give birds some protective cover'. '.strtoupper('k')eep an eye on the feeder to see which birds visit your garden!  we recommend pairing the easyflip fat ball feeder with the ultimate fat balls from our national trust range'. '.strtoupper('f')at balls should always be offered to birds in a special fat ball feeder, not in nets, as these can be dangerous for birds and are not environmentally friendly'. '.strtoupper('t')he easyflip fat ball feeder is part of our award winning kids wildlife range with the national trust'. '.strtoupper('b')y purchasing this product, you are encouraging kids to develop a lifelong connection with nature in their own garden'. '.strtoupper('y')ou and they will also be supporting the essential work conducted by the national trust to