How will I teach students about digital systems and devices in early childhood?

To do this, I will need to have real, computer parts for the children to see, touch and feel. We could make computer models out of craft odds and ends and discuss what labels to place on parts. I could make a licence available in class for all students who are able to build, show and elaborate on the parts of a digital device; a computer. This would be a fun and motivating way for students to learn and engage with this.