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* step-by-step instructions and answers
2 Metal (3 holes)
sensitive and well-written book that little ones will find fun
A proven name in the cleaning industry
helping to develop imaginative
Round Iron Filings Bubble Pack of 10 Light Panel Table Set * step-by-step instructions and answersThe Iron filings bubble is suitable for more simple magnetic field plotting experiments in place of loose iron filings. It comprises a shallow, sealed, clear plastic vessel containing high quality fine iron filings. It can be used on an overhead projector for demonstrations. In use, the filings are distributed evenly over the base of the bubble by shaking or tapping. The bubble is then placed over the magnet and gently tapped to permit the filings to
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