Okay kiddo, let me explain what cryptospore means in a way that you can understand.
Do you know what a spore is? Well, it is a tiny thing that plants and some animals make to spread and continue their species. A cryptospore is a type of spore that comes from mushrooms.
Let's imagine that a mushroom makes a cryptospore. The spore is like a very small, invisible seed that can travel through the air. It can land on the ground or on another mushroom and start growing a new mushroom.
But what is so special about cryptospores is that they are really hard to see! They are so small that they are invisible to the naked eye, and they blend in with their surroundings really well. That is why they are called 'crypto' which means hidden or secret in Greek.
So, in summary, a cryptospore is a teeny-tiny spore that comes from mushrooms and is very hard to spot because it is so small and blends in with its environment.