Iron filings
These magnetic filings are great for classroom use and allow students to engage in a wide variety of hands-on experiments to develop a greater understanding of concepts related to ...
Set of 5 electrifying bars with wool cloth
Includes
1 polyethylene bar 30 cm, Ø 13 cm;
1 nylon bar 30 cm, Ø 13 cm;
1 Ebonite bar 30 cm, Ø 12 cm;
1 glass bar 30 cm, Ø 13 cm;
1 persp...
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