ROKR Locomotive‎ Mechanical Gears 3D Wooden Puzzle LK701

This is a super cool steam Locomotive model 3D wooden puzzle. It has a spring-driven core to achieve full mechanical gear transmission. Build it by yourself and simulate the smooth train movement. Robotime-ROKR mechanical Locomotive LK701 train model is an exquisitely designed 3D wooden puzzle. 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 mechanical gears wooden puzzle gift ever for craters and mechanical lovers! Highlights Spring Driven: Precise gear drive by wind up Realistic Design: Steam whistle that spins with motion Retro Style: Reminiscent outlook of the great industrial age