Where can I buy pre-loaded PDA petri dishes for the cheapest price online?

Question

I'm looking for about 15 petri dishes that are already loaded with Potato Dextrose Agar.. I need it for a science fair project for this next school year.. thank you!

Answer 1

Here ya go.

They aren't cheap.  Labs typically make their own, but you likely don't have access to an autoclave.

Answer 2

check for a microbiology professor at a local university.  call them and ask if they have it on hand often a prof will give a small number away or they get great prices on them as an academic institution.  If you try to but from a distributor you MUST by at least 20 as they are packaged in 10's.  Plus calling a prof they may be able to give you guidance on your project.