About This

• 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 helps Teens understand the crafting process of wooden structure assembly
• Educational wooden mechanical puzzles :Fun 3D wood puzzle set is designed to teach your hands on skills like coordination, physics, STEM principles.Our DIY Model kits are also suit for adults who love challenge .It may take several hours to make a puzzle model kit, but there are assembly instructions, which will improve your independent learning ability and become a creative little construction engineer
• High Quality:STEM Projects Science Experiments makes by premium basswood plywood. Non-toxic,No burr, marble track made safe from laser precision cutting.Perfect 3D wooden building Toys for adults teens kids
• Perfect Craft gift :Our Jigsaw Puzzle is a great gift for a birthday chrismas thinksgiving day Father's Day ,They are not only toys, but also craft art, which can be placed at home/office as decorations. You can give it to your husband couple wife friend kids father
• After Sales Service: 3-D wooden educational toys are designed to make you smarter, more imaginative and creative. Your safety and your satisfaction are our pursuit. For this toy, If the product does not meet your expectations, please feel free to send us a message via "Contact Seller", we will handle it for you