Acrylic Balls LargeThese Acrylic Balls are bright and long lasting even with the more destructive birds. The balls are made from Heavy Duty Acrylic and are machine rounded, not injection moulded with cheap plastic. They will not split. Stuff treats in the hole and watch your bird roll it around to retrieve the treats. Thread it onto some chain for a heavy duty colourful part to the toy you are making. This product is safe and non toxic. Colours red, orange, purple,