is it posible to make all the chao in challenge race?like what ones?
Of the chao in the challenge races, it's possible to get the following:

1st race: These are just various types of netral chao from gold and silver jewel eggs.
2nd race: Aside from the grey one, the rest are just neutral chao with various animal parts.
5th race: These are onyx jewel egg chao with dragon antennae.
7th race: These are just netral chao with skull masks.
8th race: These are just neutral chao with pumpkin masks.
9th race: These are neutral chao that have been given bats and half-fish.
10th race: same as #2.
11th race: These are shiny egg chao with various animal parts.
12th race: It's a neutral Chaos chao.

~ Crazy C Lea