7-Metal Density Cubes Set, 20mm (Brass, Lead, Iron, Copper, Aluminum, Zinc, Tin) Handle Type_Twisted Wire and 3 rods for multi-configuration

and 3 rods for multi-configuration study

Hand-cranked worm-and-wheel drive with a rotation dial between clear acrylic plates

supplied in a storage case for student precision work

and corona discharge

stable Alnico fields and matching keepers across this bar-magnet pair give the classroom a reliable workhorse for ferromagnetism and pole-orientation demonstrations

7-Metal Density Cubes Set, 20mm (Brass, Lead, Iron, Copper, Aluminum, Zinc, Tin) Handle Type_Twisted Wire and 3 rods for multi-configurationSeven metal 20mm density cube set with element stamped brass, lead, iron, copper, aluminum, zinc, and tin specimens in a snap top case for comparative mass volume calculations.