Build a classic Plus-Plus Train with these free 3D step-by-step instructions and interactive build guide.

This 36-block locomotive model includes a chimney stack, cabin, and wheel base in a compact 3D form that chugs nicely onto any shelf display. Train builds are perennial favorites for vehicle collectors and young transport fans.

Rated medium difficulty with about 6 minutes of build time. The guide assembles the boiler and cabin first, then the wheel sections and chimney detail on top.

Start Building in the 3D viewer or download the PDF. Sort reds, blacks, and greys typical of classic locomotive colors before beginning.

Perfect for train set enthusiasts, Christmas village displays, or vehicle collection shelves. Center the chimney for the most classic locomotive look.