Explore the world of real building with Steel Works, the classic steel construction set. The Steel Works Mechanical Multi-Model Set will inspire, challenge and amaze as you explore your creativity and imagination. Every model in this set is designed with mechanical actions, allowing you to watch your model come to life when you push it forward or backward. The durable steel parts let you build and rebuild real toys you can play with. Build something you are proud to display or take it apart and try something new. Each set comes with 300+ real steel pieces, tools and detailed instructions. Ages 8 and up.