Thank you for viewing! (o^^o) ❤️ Price negotiations are welcome! ⭐️ First come, first served! ✨ Ships in 1-2 days, anonymous shipping This is a square copper coil used in the physics (electromagnetism) section of junior high and high school. It is suitable for experiments and educational demonstrations to learn about the relationship between current and magnetic fields. 【Uses】 ・Experiments on electromagnetic induction ・Observation of the relationship between magnetic fields and current ・As school materials, learning tools, and experimental parts 【Material】 Copper (highly conductive and durable) 【Size】 ・Outer dimensions of the coil frame: Approximately 6.7cm x 6.7cm ※Please note that there may be slight errors due to amateur measurements. 【Included Items】 ・Square copper coil body x2 (Everything in the photos is included) No instruction manual. 【Condition】 Unused, stored at home. No noticeable damage. Please check the photos for details. I opened it for photography, but it is unused. I will ship it with waterproof packaging. ❤️ I have many other wonderful items for sale too♡ ↓ Further discounts are available for combined purchases (=^x^=)↓ #NicoleSHOP Management Number 2-107 $$580