The link contains an video of a budgie playing with what I can only assume is aluminum foil. It's cute however I wouldn't let your bird play with it they could very easily get hurt and it could very easily lead to heavy metal poisoning. And even if it isnt aluminum foil I wouldn't recommend letting your bird play with foil of any kind

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Lincoln adopt date: 11/21/2016
Apollo hatch date: 10/13/2018