Solar Wooden 3D Jigsaw Puzzle Marble Run DIY Model Kit Craft Sets Educational Wood Mechanical Building Toys Science Expe

Solar 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 Specification Item Dimensions LxWxH 10 x 7 68 x 2 inchesTheme BuildingMaterial WoodEducational Objective EaducationalIncluded Components PuzzleItem Weight 14 9 ouncesRecommended Age 6 years and upFeature Solar Model Kit If using this 3D jigsaw puzzle in the sun use batteries or solar energy to build your own modle If indoors connect the motor wires to the battery box Need 2 AA batteries packaging does not include batteries wooden STEM toys are purely entertainment and learning Wooden handmade kits bring adults back to childhood and help children understand the manufacturing process of assembling wooden structures Puzzle wooden mechanical puzzles The fun wooden puzzle set is designed to teach children skills such as coordination physics STEM principles and more Suitable for children of all ages from 8 to 10 Our DIY model suite is also suitable for adults who enjoy challenges Creating a jigsaw puzzle model set can take several hours but with assembly instructions it can improve children s independent learning abilities and become creative small architectural engineers High quality STEM project scientific experiments are made of high quality basswood plywood Non toxic burr free using laser precision cutting safety made of marble track Perfect 3D wooden building toy for 8 9 1