Meccano 10-Model Set - Builds 10 models including a modern plane and watch the propellers turn when the plane moves forward.190 parts Tools and assembly instructions included. For boys from 8 to 88 years old. Product Description Build 10 different models from the same set and many more than you can imagine. A gear box produces simple mechanical function for different movements. Tools included. Features: 1. It includes 220 pieces. 2. Kids can Build 10 fun models. 3. Tools also included.