With this metal eitech Army Helicopter Construction Set and Educational Toy, you and your children can build a helicopter from over 310 parts. Your child is introduced to the world of technology in a playful way with this amazing metal construction kit. The development of three-dimensional thinking structures plus motor and creative skills are all trained at the same time. All components of the educational toy can be combined with one another and expanded with supplementary sets from the eitech game world.