The 3" Refillable Buffet Ball is a great forging foot toy; fill with special treats and watch your bird feast! You can also fill this versatile ball with shredded paper for even more fun. Can be used with our Stainless Steel Kabob Skewer (sold separately) for a great hanging foraging bird toy with a kabob, just thread the skewer through the center hole in the ball and this will peak your birds curiosity.