Immerse yourself in the wonder of human engineering with our "Marble Run" mechanical gears 3D wooden puzzle. A fascinating embodiment of scientific beauty and mechanical marvels, this set captures the thrilling movement of numerous small gadgets.
Once assembled, give the handle a crank and observe as marbles embark on a wild journey, cascading down slopes and swerving through twisting turns. This model is not only a testament to engineering brilliance, but it also provides a hands-on, fun-filled learning experience, bringing the principles of mechanics and motion to life right in front of your eyes.
This whole package includes 4 marble run sets：LG501 Big Funnel + LG502 Trapdoors + LG503 Swingback Wall + LG504 Fortress
KIT: Accessories, Film, Metal, Plastic, Wood