Features: This Hand cranked Flashlight set combines STEM learning with hands on assembly, demonstrating energy conversion principles through its manual generator structure while fostering physics understanding for student. Crafted from wood with extendable connecting rod mechanism, this educational model ensures stable hand cranking operate and visualizes real time power generation via illuminated bulbs during rotation. Perfect for children aged 8+ and STEM educators, this physics experiment tool engages classrooms, homeschooling, and family crafting activities through interactive energy exploration. Use during camping trips as portable light, demonstrating electrical energy conversion, or as practical classroom physics teaching aid for circuit basics in laboratory settings. Merging mechanical engineering concepts, this handmade wooden flashlight craft set transforms abstract physics theories into tangible learning experiences while promoting sustainable energy awareness. Specifications: Component: Wood Color: Wood Color Size: Approx. 9cm/3.54in Weight: Approx. 100g Package Includes: 1Set of Handmade Wooden Flashlight note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color