Ugears Marble Run Spiral Hoist 70177 Wooden Puzzle Model Glue No Tools Required

Model size: 28.5*26.3*27.6 cm Package size: 37.8*17*3.4 cm Estimated assembly time: 6 hours Number of parts: 266 The Marble Run Spiral Hoist is the fourth model in the Ugears collection of DIY attractive wooden mechanical marble runs. There are two types of rails: a spiral main rail and a vertical rail to increase the climbing speed. When you turn the crank, the colored glass marbles will rise to the top (one marble will rise for every 9 revolutions of the crank) and go to the 3 marble storage area at the top. From there, marbles slide down exciting elements such as high-speed slides, vertical snakes, and mountain rivers.