An emerging trend in education is to attempt to teach mathematics and science within integrated and authentic contexts. Few pedagogical models, however, exist to guide the practice, and little research has been undertaken on the effectiveness of these approaches to enhance students' achievements on specific mathematics and science outcomes. This study used Lego simple and powered machines as stimuli material for the teaching of science and mathematics concepts to Year 7 students. It was found that while some students made significant improvement on pencil and paper tests, others had more limited gains. Some students demonstrated sophisticated understandings of ratio concepts. The findings have implications for how teachers plan and implement the use of technology practice as a means to enhance learning in science and mathematics.