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The girls have also been working with two programmable robots, Edisons and Ozobot Bits. Both have built-in sensors that respond to light and sound changes and can be programmed to travel lines and communicate with other robots. The girls learned to program the Ozobot Bits using “static codes” composed of various color sequences alternating combinations of red, blue, and green. The girls were introduced to two different tools for programming their Edisons - Python, a text-based coding language, and EdBlocks, a graphical programming language that utilizes a drag-and-drop interface. The Edisons are compatible with LEGO bricks so the girls are able to design and add LEGO models to their Edison projects. The girls were excited to design and program their own Edison catapults and compete for the longest toss.