Experimental mathematics on the project “Think and create your own hobby” – Club “Sciences”. Students from the 6th grade participated, led by Mr. Yulian Kovachev, as well as Mrs. Maria Topalova, coordinator of the project for Bulgaria. The children presented their research and projects related to experimental mathematics. As well as self-created models and presentations. They clearly proved theories of various mathematicians and demonstrated very serious knowledge in the science of mathematics.