The refill pack for the Hide N Seek Treasure Box contains assorted foraging materials; wooden square blocks, grapevine balls and paper strips that will keep your bird busy for hours! The Hide N Seek Treasure Box is easy to refill and is a toy that can be used over and over again by just adding the refills. The toy can be found under Foraging Bird Toys and is not included with refill pack. Can also be used to fill our Stainless Steel Foraging Cages that are also found under Foraging Bird Toys.