4 Vehicles DIY Engineering Vehicles by Lego is an exciting construction toy set designed for children aged 6-8 years. This set includes various building blocks and components that allow kids to create different types of engineering vehicles, such as trucks, cranes, and excavators. It's a perfect way to stimulate creativity, problem-solving skills, and hands-on learning. The set is designed to be engaging and educational, providing children with an opportunity to explore the basics of engineering and mechanics through play.