U.S. Educator Price
$36
Spare compasses for the CASTLE Kit (EM-8624A). Perfect for investigating the magnetic fields around straight wires.
What to Consider
See the Buying Guide for this item's required, recommended, and additional accessories.
Spare compasses for the CASTLE Kit (EM-8624A). Perfect for investigating the magnetic fields around straight wires.
See the Buying Guide for this item's required, recommended, and additional accessories.