DIY Optical Fiber Lamp Model Intelligence Training Building Block Optical Fiber Lamp Model Blocks ToName: DIY Optical Fiber Lamp Model Intelligence Training Building Block Optical Fiber Lamp ModelModel: JY-WIZT00241Specification:Net weight: 89.3gPackaging size: 350*250*10mmComposite finished product size: 123*123*115mmColour: Log colourMaterial: WoodFeatures:- Training of Practical Ability- Types of Science and Education: Physics- Intelligence trainingNote:1. Because there may be slight deviation in manual measurement, please refer to the actual object.2. The picture is the finished product after installation and the shipment is the installation material package.3. The color maps are hand-painted for reference only. The shipment is log color.Packaging includes:1 set of wood panels1* optical fiber1*2 Section 5 Battery Box1* Light Emitting Diode1* instructions