Ugears Tugboat | Self-Propelled 3D Wooden Boat Puzzle

Set a little tugboat chugging across the floor. The Ugears Tugboat is a self-propelled wooden model driven by a rubber-band motor, and it has two clever tricks up its sleeve: the two wheels are deliberately set out of alignment, so the boat rocks side to side as it moves, just like a real tug shouldering through the waves, and a built-in pendulum produces a sound uncannily like a diesel engine as it rolls up to 10 feet across a smooth surface. You assemble it entirely by hand from 169 parts, no glue or tools required, and the open sides show off the gears and motor doing their work.

Start and brake levers let you launch and stop it, and a pair of traction ropes means it can even tow a small paper boat behind it. Rated easy and buildable in about 1 to 3 hours, it is a welcoming project and a genuinely fun one to set in motion once it is done. Designed in Ukraine, it makes a memorable gift for boat lovers, tinkerers, and anyone who appreciates a model that actually goes.