Compass, Magnetic, Pack Of 8

Details:

Compass, magnetic, is a component of the following stc program unit(s): catastrophic events (item #974206); earth in space (item #975006); experimenting with forces and motion (items #976001, #976001u5); exploring plate tectonics (items #977501, #977501u5); electricity, waves, and information transfer (items #512801, #512801u5).