The rear fin steers the blades into the wind. Power with a small fan or take outside. 5 - 12 Years.TechCard is a simple building system that has been developed specially for use in schools. Simple materials build into working models that demonstrate key science and technology topics. offers a low cost ‘hands-on’ approach to learning which is ideal for challenging subjects.
Making with TechCard is simple! The components are easy to cut, colour and stick together and require few tools and little building experience.
TechCard components are precut, punched and scored for easy accurate assembly.