Discover the power of mechanics with this Steel Works set! It contains over 300 pieces, including gears and cogs to bring your model to life! Comes with instructions for 10 different models, all with mechanical action. All Steel Works construction sets come with real steel parts, step by step illustrated instructions and all the tools needed to assemble the model. Best of all, Steel Works sets can be combined to create even bigger models of your own creation. The only limit is your imagination. Every model in this set is designed with mechanical actions. Watch your model come to life when you push it forward or backward. For ages 8+.