I have also kept tadpoles when I was a kid. They are cute little creatures. I got them from a pond where wild frogs laid eggs. No idea what species they were since I am not an expert on frogs. 
I caught them with a fish net and raised them in a large glass jar. Most of them did not survive but one made it to 4 legs and I raised it.
What do you suggest to feed the tadpoles?
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