US$ 19.95
visualizing the relationship between local motion and seismic recording for geology lessons
Twenty-centimeter steel helical spring paired with 2kg
Half life-size circulatory system board traces arterial and venous pathways from heart to peripheral capillaries with numbered
letting students explore induction
5-inch base
3-Piece Chrome Steel Horseshoe Magnet Set Electricity & Magnetism_Electromagnetism & Motors visualizing the relationship between localThree 6% chrome steel horseshoes at 75mm, 100mm, and 125mm in a plastic wallet with keepers, sized for a complete length versus strength comparison study using one consistent material.
US$ 19.95
US$ 42.95
US$ 49.95
US$ 49.95
US$ 149.95