designing antimicrobial surface

the main ideas of the project: 1. Develop anti-microbial surface 2. Prevent bacteria from sticking 3. Create anti-microbial surface without using antibiotics 4. Prevent infection without using antibiotics •what is the best colour that prevents the creation of bacteria on the surface? the project requires Designing a 3-D surface by using software, so I can use 3-D printer to generate it. one of the aims of the project is How to make it interesting for children, so they can become excited to learn from the project.