If you're unsure about the Prevue Pet Products Bodacious Bites Tough Puff Bird Toy, just think of it as a Bowflex machine with built-in Sudoku for birds. This exciting toy helps stimulate their senses while the multiple shapes and textures give them plenty to do with their beaks and claws. A solid core of hardwood uses ropes and leather to tie together an assortment of objects that may include shells, beads, frayed ropes and other objects. You'll never worry about them being bored again. Each piece is non-toxic and the entire toy can easily be attached to most standard cages with the quick-link attachment.