3D printing technologies get attention for educational purposes like teaching coding and problem-solving skills. 3D modeling and printers can bring educational concept and objects into real, and help students to learn and get practical skills like inspection, analysis, and other processes that benefit from physical manipulation.
https://www.makerbot.com/stories/3d-printing-education/5-benefits-of-3d-printing/
Integrating 3d printers into education allows students engaged with curriculum conception, project design and execution more than conventional classroom teaching, students are more interacting with teachers than traditional book-based teaching. There're many 3d printers tailored specially for education. Take 3d printers from Flashforge for example, they have Finder series for k-12 teaching, Inventor & Dreamer series for high-school learning.