What is Turtle Graphics
Turtle Graphics was part of the original programming language "LOGO" developed in the 1960s. Now it has been used in various programming languages to help beginners to understand programming.
Turtles - Programming Basics
You can draw various shapes just by combining blocks of instructions.
For next steps
You can also check the concepts of "variables" and "functions" that are necessary when learning more advanced programming.
You can draw fractal shapes by using recursive processing. It is also recommended for university students who will learn the basics of computer science.