Suet, which can be purchased at most grocery stores, is the hard fat around the kidneys and loins of cows and sheep. https://www.goodhousekeeping.com/home/craft-ideas/how-to/g678/bird-feeders Just shape the suet into a ball, roll it in birdseed (although this isn’t … There are plenty of simple bird feeder projects that are easy for kids to make, from a popsicle stick bird feeder to a toilet paper roll bird feeder. Especially In the winter, suet is a source of heat and energy for insect-eating birds. Build a Bird Feeder: Suet Bird Feeder. You can make a simple suet bird feeder from a mesh bag that produce comes in. https://bigdiyideas.com/how-to-make-40-terrific-homemade-birdfeeders https://www.countryliving.com/diy-crafts/how-to/g3060/diy-bird-feeders