Build a variety of fast?? cool vehicles from rockets to race cars</br>Ideas for building 10+ unique models</br>Works with all leading building bricks</br></br>Product Description</br></br>With original K'Nex parts?? micro K'Nex parts and the new K'Nex bricks?? the K'Nex Speed Machines 10 Model Building Set creates the ultimate building experience!</br><br/>http://www.amazon.com/gp/product/B000NZP05M