i wonder if they can get their money back

That is the reason, why it is recomnded that expecting mothers eat e.g citrus fruits so that the child will have yellow fingerprints.
@Viss

@Viss one of them must have cheated (probably the guy)

@buherator they ran out of the colored filaments in their printer

@Viss its probably like the eye color, the real color appears after a few years.