Explore the world of real building with Steel Works, the classic steel construction set. Be inspired, challenged, and amazed as you explore your creativity and imagination. 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 real steel parts, tools, and detailed instructions. Build unique micro creations or combine sets for more creative options. Build the Helicopter, Airplane, or two super-fast race cars. Each set has 37 pieces, tools, and detailed instructions. Styles vary.