Solar Concentrator 85mm Dish Camping Fire Starter Burning Objects Education Learning Toy

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1 piece. Solar Concentrator 85mm Dish Fire Starter for Camping and Burning Objects Education. Outside diameter (OD): 96mm. Dish diameter: 85mm. Place object to singe/burn on top of the spring. Do not try to place any body parts, or touch or position eyes anywhere near the focal point, which is the point of burning around the spring holder. For educational purposes. Not to be used by children except under supervision. Show more