Design and build an interactive track system with this 3D wooden marble run model puzzle. The challenge comes from assembling ramps, turns, and channels into a working path that lets marbles travel through the run. It is a fun, hands-on project for teens and adults who enjoy mechanical-style builds, STEM activities, and puzzles that do more than just sit on a shelf. The build typically starts from pre-cut wooden sheets and follows a clear, step-by-step progression. As you assemble the structure, you develop patience, fine motor control, and problem-solving skills while learning how each section supports the flow of the run. The layered design adds depth and makes the finished model feel dynamic even when not in motion. Once completed, it becomes a striking tabletop centerpiece for game rooms, study areas, or family spaces. It also makes a memorable gift because it offers both an experience and a finished display model. Style it with other wooden mechanical builds for a cohesive collection look. For best results, keep the model on a level surface and handle moving paths gently. Keep it dry and dust with a soft brush. Depending on the design, you may use a small amount of glue at high-stress joints if you prefer added reinforcement.