It was the first spaceflight to send animals into orbit and return them safely back to Earth.
Too young to donate blood or money, they decided to send their own stuffed animals.
At least two major zoos have refused to send animals to the game farm for that reason.
Space exploration in its early days was so dangerous they only sent animals up.
Iran is also the sixth country to send animals in space.
Sending animals home with students is often not an ideal solution, either.
Carolina Tiger Rescue continues to send animals to other locations to take part in these programs.
Even after inanimate objects had been sent into the future - and then animals - we were not satisfied.
They have to notify before the send animals and there are spot checks.
But if people start sending unhealthy animals, trading will cease.