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Solar 3D Wooden Puzzle Marble Run DIY Model Kit Craft Sets Educational Wood Mechanical Building Toys STEM Science Experiments Projects Birthday Gift for Adult Men Kids Age 8 10 12 14＋
wood Imported Solar model kit Build your own marble run by battery or solar, Connect wire of motor with solar panel if will use this 3D puzzle under sunlight;Connect wire of motor with battery case if you are indoor. Requires 2 AA batteries (batteries is not included in the package),Wooden STEM toy is pure entertainment meets learning. The wooden craft kit brings adults back to childhood and helps kids understand the crafting process of wooden structure assembly. Educational wooden mechanical puzzles Fun 3D wood puzzle set is designed to teach children hands on skills like coordination, physics, STEM principles.they

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Price: $27.99