Ooo will give this a go too. Just trying to find things to occupy him a bit more as he doesnt have free fun of the house. He comes out twice a day xI use old toilet/kitchen rolls, (just be careful as some posh ones have lots of glue, first time in my life being a cheap skate has benefited some say its bad but ours never eats any, I put a nut or two in, fold the ends over like a present and hand it to him, he spends quite a bit of time ripping it apart to find the nuts inside, you may need to leave ends open to start with to show them its in the middle.
I've started to double them up by putting one inside the other so its more of a challenge.
Yes the cardboard egg box you get xIf you're using an egg box just so nobody gets confused it should be a cardboard one not plastic or the polystyrene type. Know can more than likely stating the obvious but never hurts to make sure peeps don't take unnecessary risks with their birdies