Once upon a time, there were two very cool guys named Leopold and Rudolf Blaschka. They made really pretty things called glass models. These models looked just like real animals and plants but were made out of glass instead of skin or leaves.
Leopold and Rudolf made these models a long time ago when there were no cameras or fancy technology to take pictures of animals and plants. So, instead of taking pictures, they decided to make models that people could look at and learn about.
They would spend a lot of time looking at real animals and plants and then would carefully make a model of each one out of glass. They were so good at making these models that they became famous and people from all over the world wanted to see them.
Even today, people still love looking at the beautiful glass models made by Leopold and Rudolf Blaschka, because they are such amazing works of art!