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PIRA Classification: 7D50.30
Description: Sewing needles are magnetized and placed in small cork stoppers. One at a time, the stoppers are placed in a dish of water. Surrounding the dish is a coil used to produce a field in the dish. As more needles are placed in the dish, they will move into a configuration such that they are at their lowest energy. Up to 10-12 needles may be added to the dish. The field can be changed to increase or decrease the spacing between each needle.
Special Instructions: None
Condition: Ok
Setup time: 3 minutes