Build your very own working scale model of a turbofan jet engine from Machine Works. Equipped with jet engine sounds, this detailed battery operated replica has high and low pressure turbines, and see-through casing to observe the engine's moving parts. A fantastic introduction for kids to model building and engineering. The kit includes over 40 pieces and all the tools you'll need to complete the operating model. It comes with an extensive, instruction manual featuring lots of easy-to-follow diagrams and illustrations. Each component is clearly identified and each step in the build sequence is shown in words & pictures. • Includes over 40 parts and a step-by-step manual for building a functional jet engine. • Features jet engine sounds, and an illuminated combustion chamber. • Encourages STEM learning and develops problem-solving skills. • Batteries required: 3x AA (not included). • Recommended age: 10+