About This

• Metal Materials: Tower Crane & Frame Crane & Windmill model kit includes 273 parts with bolts, nuts, small screwdrivers, wrenches and more. The metal is rust-resistant and of good quality, making it a quality STEM Projects Erector Set Toys.
• 3 in 1 Model: After assembling this Stem Projects Toys, you can get [Tower Crane] or [Frame Crane] or [Windmill] (NOTE: 3 shapes can't exist at the same time). The assembled model is very beautiful, is a rare piece of Model, suitable for Building Construction and DIY enthusiasts.
• Clear & Detailed Instructions: Our Instructions are Detailed, Clearly showing every step of the process to help kids get started quickly. Whether you are a novice or a professional, you will find great satisfaction in making your own toy models.
• Growing Through Play: STEM Education for Children Over 8 Years Old. Children are thinking while assembling the model, which not only improves their creativity but also their hands-on skills. It takes about 3-5 hours to assemble the model, develops children's patience and promotes children's brain development.
• Best Model Gift: This Tower Crane & Frame Crane & Windmill Metal Set is unique in design and beautifully crafted, retaining the intricate structure of a construction machinery. (The tower crane's lifting arm can be moved back and forth, and the crane can rotate 360° and is equipped with a limit switch)(Frame Crane's lifter can move up and down) (Windmill's blades can rotate 360°) . It is a Great Model Collector's item and Best Gift.