500g jar of fine iron filings for magnetic field mapping (PH0799B01).
(WARNING: Not for use by young children. It is advisable to wear gloves when handling this product.
NOTE: Product supplied may vary slightly from illustration).
Code: PH0799B01
Code: PH0799B01
500g jar of fine iron filings for magnetic field mapping (PH0799B01).
(WARNING: Not for use by young children. It is advisable to wear gloves when handling this product.
NOTE: Product supplied may vary slightly from illustration).