3D Wooden Puzzle Marble Run Set DIY Assemble Mechanical Model V4

Improve motor, cognitive, and critical thinking: Our product helps you become mentally sharper, improving motor and cognitive skills, as well as critical thinking abilities. Achieve a higher state of mind and productivity with an optimistically focused approach. DIY: Discover the fun and creative challenge with DIY assembly, enjoy assembling this dynamic puzzle. Enjoy as a decertation: Its attractive finish adds a decorative touch to your workspace. Enjoy the perfect blend of form and function. Enjoy stress relief: when the pieces come together, you'll feel a sense of satisfaction and accomplishment that brings relaxation and contentment. Environmentally friendly: Solve a puzzle and giving back to the environment. Thanks to its eco-friendly wood, making it a great choice for anyone who is looking for an enjoyable and sustainable activity.     Material: Wood Recommend Age: 9+y DIY   Description: Material: wood Color: as picture Size: As the picture show Age Range: ≥3 year