Build and explore mechanical engineering with this sophisticated 825-piece cruiser bike model from the Mechanical Motion Collection. This intricate construction set challenges builders to assemble a fully functional replica featuring authentic mechanical components, moving wheels, and detailed frame construction. Perfect for enthusiasts aged 14+, it combines hands-on STEM learning with the satisfaction of creating a working model. Each piece fits precisely to demonstrate real-world mechanical principles. Display your completed cruiser as a testament to engineering prowess and mechanical understanding.