Makeblock is a private Chinese technology company headquartered in Shenzhen, China, that develops Arduino-based hardware, robotics hardware, and Scratch-based software, for the purpose of providing educational tools for learning. This includes programming, engineering, and mathematics through the use of robotics. Makeblock's products are sold in more than 140 countries and have over 10 million users in 20,000 schools worldwide. Roughly 70 percent of Makeblock's sales occur outside of China, with the United States being the largest market.