JW Insight makes some fantastic and durable rubber foraging toys that will keep you parrot busy for hours! Made from non-toxic durable rubber, you can stuff these foraging toys with treats or fresh food keep your bird mentally stimulated. We have tested them on parrots up to large cockatoo size with great results, parrots love the moving rubber texture, hanging off them and throwing them around, and they last for a long time! Product comes empty.

This mini hol-ee roller is recommended for small parrots, as medium to large parrots will break them very quickly. Sticking some millet and paper towels inside these keeps small birds busy for hours!
 
Parrot Life® Tip: teach your parrot to forage for treats inside paper towels, newspaper or other paper products, and stuff these inside the toy, this way you are layering your foraging and it will take much longer to 'crack' - and busy birds are well behaved birds!