Erector 15 Model Set builds 15 different models. It includes a tool and instruction booklet. It comes with a new system of flexible cable to allow movements and create attractive models. It contains a tools and assembly instructions included with detailed construction steps for 6 models and photo inspiration for 9 more. Uses new system of flexible cable Contains 252 parts Detailed construction steps for 6 models and photo inspiration for 9 more Adults love to play as well Interchangeable with most erector sets Ages 8 Years UPC 724641365150