This 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!

Features:

349 pieces
8 hours assembly time
Assembled dimensions: 37cm (H) x 12cm (W) x 18.5cm (D)