1. You may want to encourage the students to organize an exhibition of the projects, reports, drawings and so forth of the activities they did
2. Ask them to prepare brief reports and present findings of the experiments and research they have done to other classes, their parents, technical experts whom you may want to invite in your class and participate to the final presentation  

3. Collaborate with them to publish their results, experiences etc. on the Internet

4. Conduct other schools which work on the same module and share ideas through e-mail