Variable Gap Magnet for Physics Demonstrations Subcategory_Geology Models and an ABS base

and an ABS base

5-inch stainless steel connecting rod grips apparatus up to 3

Diamond lattice kit with 39 carbon atoms and 60 connectors for building the tetrahedral covalent network that gives diamond its exceptional hardness and optical properties

Barlow's Wheel apparatus with neodymium magnets and a heavy base

the smallest in the Alnico horseshoe series and well sized for individual student handling during basic attraction-and-repulsion lessons

Variable Gap Magnet for Physics Demonstrations Subcategory_Geology Models and an ABS baseAdjustment screws (3 x 1 inch) on a metal base position two neodymium magnets, varying the pole gap from 0. 4 to 8. 5cm and field strength from 100 to 7500 Gauss across the working volume.