This beautiful model by Bloomingdale, Michigan’s Woodchuck and Company is listed for almost $40,000 on Etsy:

Constructed of cherry and walnut, this award-winning piece has over 4000 individual handcrafted parts and requiredover 3000 man-hours to complete, roughly a year and a half’s time. Our version of the 5230B is what we call a working model. The track moves, the cylinders extend, the jaws open and close and the entire model pivots on the trackframe. There is also a hidden storage box on board, someplace to keep the keys!

A few more details and a bunch of nice build photos are available here. [via Gizmodo]

More: