Stuff you need:
Step 1: mix 2 spoonfuls of cornstarch and a little water to make oobleck.
Step 2: put the oobleck in a bowl and put it in the oven at 300*F. for 8 minutes.
Step 3: after you’re done cooking the oobleck, it should be hard.
Step 4: then put a little water on it and scrape off the playdo dough then let it dry.
and you have playdo!!!!! Warning might not work every time.