- Demonstrates the Lenz's law.
- Three weights included (one is magnetic, one is Copper and one is Aluminium).
- Simple release mechanism (for releasing both of the weights at the exact same time).
- Cushion included (for soft lending of the weights).
- Open design (the weights are visible while they are falling throw the rails).
- Made from special durable Poletylan material- 3 layers- yellow, black, yellow
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