Chao Nut: Increases Chao's base HP by 20 for each fruit eaten
20 Rings
Chao Fruit: Gives your Chao one move of your choice
26 Rings
Chao Seed: Allows you to have 7 fruits, can be any of these:
Triangle: 15 Rings
Square: 15 Rings
Round: 15 Rings
Chao Nut: 15 Rings
Chao Fruit: 20 Rings (just because it's such a good item)
Must wait 7 hours until you can have all 7 fruits (1 fruit per hour)
I may add more stuff later but that's all for now.