Okay kiddo, so a double-blind frog is not actually a real thing. It's more of a concept that scientists use when they are testing something to make sure their results are fair and accurate.
You know how sometimes people can be biased without even realizing it? Like if you really like a certain team, you might see things that make them look good even if they're not actually playing well. Scientists can have biases too, and that can affect their experiments.
So when scientists want to test something without any biases, they use a double-blind test. That means both the people who are doing the testing and the people who are being tested don't know which group they are in.
Let's say we're doing an experiment to see if frog food works better than regular food at helping frogs grow. We might have two groups of frogs – one group gets the frog food and the other group gets regular food. But we don't want the scientists or the people taking care of the frogs to know which group is which, because then they might accidentally treat one group differently or notice things that make them think one group is doing better.
So we put the food in two different containers that look exactly the same. We label them "A" and "B" but we don't tell anyone which one is which. Then we randomly give one container to the group of frogs and the other container to the other group of frogs. This way, neither the scientists nor the caretakers know which group is getting which food.
That's what a double-blind test is, and it helps us make sure our experiments are fair and accurate. So even if we don't have double-blind frogs, we use this concept to make sure our experiments are done the right way.