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Luganni Magnetic Viewing Film (3 x 4 inches)
When it comes to our customers’ satisfaction, we have one rule settle for nothing but the best. That’s why we work only with premium quality products that are guaranteed to deliver to our high expectations. Why should you order this product? It is an amazing way of explaining new concepts to children. This tool is excellent for discovering and observing new things. It is not messy and kids will love playing with it. You can find encased in the green film millions of magnetic particles suspended in oil. A great tool for science lovers, the film will change shades when magnetic fields are applied and it turns darker when field lines are perpendicular to the surface and it turns lighter when the liens are horizontal. Some of the great features of this product

Price is $9.00
Price: $8.99