Robotime 3D DIY Wooden Puzzle Mechanical Gear Drive Locomotive Model Kits LK701 Age_12 Years Above the laser cutting is precise

the laser cutting is precise and clean (no residue smoke burns)

Brand Robotime Model ST002 - The Globe Moving Energy Handcrank Note It's a scale model

you can build the gadget all by yourself and make it run by a wind-up

It will definitely be a big challenge to your hands& mind

It is four times as tall as iPhone

Robotime 3D DIY Wooden Puzzle Mechanical Gear Drive Locomotive Model Kits LK701 Age_12 Years Above the laser cutting is preciseRobotime mechanical Locomotive LK701 train model is exquisitely designed. It has the real scene of driving wheels with shafts. With driving spring and gear trains, you can build the gadget all by yourself and make it run by a wind up. Best gift and hobby ever for crafters and mechanical lovers! Started by a spring driven engine, Locomotive LK701 is designed with a gear drive mechanism and will whoosh its way out after wound up. Precise laser cutting