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A building system that uses simple components, Great for budding engineers Helps children to understand the way things work To complete this kit you will need PVA glue or similar, scissors and a ruler TechCard™ components are pre-cut, punched and scored for easy accurate assembly, TechCard™ is a building system that uses simple components that are easy to cut, stick and colour to build into an endless range of working models and is a fantastic way to make learning memorable and fun. The TechCard™ Balloon Turbine demonstrates the escaping air from the balloon rotates a turbine creating a mechanical force.
